Presenter Bios

EEBA High Performance Home Summit

October 1-3, 2019
Embassy Suites Denver Downtown
1420 Stout Street
Denver, CO  80202

Conference Presenters

The following are confirmed presenters for the 2019 EEBA High Performance Home Summit:

Chrissi Antonopoulos
Senior Energy Analyst, PNNL

Chrissi Antonopoulos is a senior energy analyst at the Pacific Northwest National Laboratory in the Electricity Infrastructure and Buildings Division. Her primary research focus is in residential buildings, where she supports projects investigating thermal envelopes, indoor air quality and program analysis. Chrissi has lead research tasks focusing on code development for renewable energy technologies, and market forecasting of green building in the commercial sector. Chrissi is the operations manager for the Department of Energy's Building America Solution Center and part of PNNL's Building America team. Chrissi has a BS in Business Administration, a MS of Urban Studies with a focus on energy technologies and sustainable development, and is currently a PhD candidate at Portland State University.

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Lois Arena
Director of Passive House Services, Steven Winter & Associates

Lois Arena, Director of Passive House Services at Steven Winter Associates, Inc., possesses over 25 years experience in the building science field and has extensive experience with new and existing buildings. Lois holds both US and international Passive House consultant certifications and is currently consulting on some of the largest and most difficult Passive House projects in the world. She has co-authored and presented training programs about energy efficient building practices to professionals in all sectors of the building industry and is regularly invited to present at conferences and private firms around the world to discuss the benefits of and road blocks to PH adoption.

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Michael Baechler
Senior Project Manager, PNNL

Michael has worked on residential energy efficiency and utility planning at Pacific Northwest National Laboratory since 1984. He is a Senior Project Manager and manages PNNL's support to the Building America Program. His interests include innovative building systems and impacts on constructability. Part of PNNL's duties include developing and maintaining the Building America Solution Center, a free resource where building science research is translated into best practices for the building and design industry. Visit the BASC at BASC.energy.gov. Michael is a board member of the Energy and Environmental Building Alliance.

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Mike Barcik
Senior Engineer, Southface

Mike Barcik is a senior engineer responsible for energy efficiency training throughout the Southeast. He has taught and developed materials for numerous presentations and workshops covering residential and commercial high performance buildings, including IECC and ASHRAE 90.1 energy codes, Duct and Envelope Tightness Verification, LEED AP and Green Associate exam preparation, EarthCraft House for new and renovated homes, EarthCraft Light Commercial Professional, RESNET Home Energy Rating System, Building Performance Institute, Weatherization and ENERGY STAR v3.

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Jonathan Bean
Assistant Professor of Architecture, University of Arizona

Jonathan Bean, Ph.D. is Assistant Professor of Architecture, Sustainable Built Environments, and Marketing at University of Arizona. A PHIUS Certified Passive House Consultant, he served as the faculty lead for one finalist team in the 2018 Race to Zero Student Design Challenge and three finalist teams in the 2019 Solar Decathlon Design Competition. His academic research, including a a multi-year immersive study of market transformation in the United States building market, deals with the consequences of taste, technology, and consumption. Bean has received grants from the Social Sciences and Humanities Research Council of Canada, the National Institute for Transportation and Communities, and others. His work on IKEA hacking was featured on an episode of the 99% Invisible podcast and he has given a TEDx talk on the principles and potential of high-performance building. [https://www.youtube.com/watch?v=2XwBcqBXH5w]

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Jon Belmont
NEEA

Jon oversees NEEA’s Next Step Homes initiative, which is designed to increase market adoption of energy efficient advanced building practices for single-family homes and strives to accelerate code so that all new homes in the Northwest are built more efficiently. Before joining NEEA, Jon spent seven years with the Oregon Department of Energy, most recently leading energy efficiency and conservation programs for public schools. Prior to his time with the state he worked in research and private consulting. Jon holds a BS in Biological Aspects of Conservation from the University of Wisconsin, a Masters in Environmental Science in Forest Ecology, a Masters of Public Affairs in Natural Resources Management and Environmental Policy, and a Doctor of Philosophy in Environmental Science from the Indiana University School of Public and Environmental Affairs. In his spare time Jon loves to spend time with his wife and wonderful daughter and catching all the sunlight Oregon has to offer.

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Karla Butterfield
Sustainability Director, Steven Winter Associates

Ms. Butterfield is a Sustainability Director at SWA, working with residential buildings. Her expertise is in sustainable consulting services, program certification support and implementation of high performance building technologies. With architects, developers, builders, and homeowners, she develops specific sustainability strategies for both new construction and renovations. Karla is an integral part of the initial strategic planning sessions and stakeholder workshops based on program criteria; she verifies in the LEED® for Homes, Passive House, Energy Star, Zero Energy Ready Homes, Indoor airPLUS, WaterSense and National Green Building Standard programs.

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Olga Cano
Environmental Engineer, EPA WaterSense Program

Olga M. Cano is an Environmental Engineer in the Homes Program at the U.S. Environmental Protection Agency’s (EPA) WaterSense® Program. She is involved in the development and implementation of the WaterSense Homes specification and certification system. Through this program, the EPA aims to promote water efficient practices in buildings. Prior to joining EPA in 2015, Ms. Cano worked as an architect in the hospitality and residential sector for 7+ years and then went on to serve in the Peace Corps as a Water & Sanitation Volunteer in Peru as part of the Peace Corps Masters International Program. Ms. Cano holds a B.A. in Architecture from Florida International University and a Masters of Science in Environmental Engineering from Michigan Technological University

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Greg Cobb
CFO - President, Ei Energy Engineering

Greg Cobb is the CFO of the Ei family of companies and is President of Ei Engineering. Ei provides a range of design, engineering, inspection and risk management services for residential and commercial construction projects across the country. Previously, Cobb founded Inglenook Financial, which provides innovative solutions to homeowners seeking to finance home improvement, repair or energy projects via licensed contractors. Cobb has been CEO and CFO of multiple mechanical and home services companies. He was the founder and CEO of iEngineer, LLC. iEngineer provided mechanical system designs for builders, architects and contractors in 12 states. iEngineer developed the capability to rapidly provide custom mechanical designs based upon the unique options and solar orientation of each home for production builders. iEngineer was acquired by and became the Arizona office of Ei Engineering. Cobb was a member of the RESNET HVAC Task Group that developed Standard 310. He has been a speaker at EEBA, RESNET, EPA and DOE conferences on a variety of building science topics. He is a former President and board member of the Energy & Environmental Building Alliance and a past member of the Advanced Energy HVAC Advisory Board. A serial entrepreneur, Cobb has a 20+ year career as a CEO/CFO, board member, investor and advisor for public and private high-growth companies. He has a JD from the Sandra Day O’Connor School of Law and an MBA from the W.P. Carey School of Business at Arizona State University, as well as a B.S. in computer engineering from Iowa State University.

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Gord Cooke
Partner - Professional Engineer, Construction Instruction

Gord Cooke is a Partner with Construction Instruction Inc. Gord is a professional engineer with over 25 years of experience in the low and high-rise residential building industry. As an educator, industry consultant and much sought after presenter, Gord has a unique talent for taking the building science issues that he sees in the field, and presenting them in an easily understood and practical real-world manner. Gord has particular expertise in applied building science, energy efficient housing initiatives, innovative HVAC systems, ventilation and Indoor Air Quality (IAQ). He has developed and delivered a multitude of workshops in these fields, as well as sales and marketing courses for builders and real estate agents to help them best promote the features and benefits of high performance houses.

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Andre Desjarlais
Group leader - Building Envelope Systems Research Group, ORNL

Andre Desjarlais joined the Oak Ridge National Laboratory (ORNL) in 1991 as a mechanical engineer. In 1998, he was promoted to group leader of the Building Envelope Systems Research Group. In 2000, the group was increased to include the Building Materials Group and an additional staff member researching radon issues with buildings. In 2006, the group was grown again with the addition of the Building America research staff. This staff was later spun off into a new group in 2008. Prior to joining ORNL, Desjarlais was Manager of Testing Services at Holometrix, Inc. (formerly Dynatech R/D Company). At Holometrix, Mr. Desjarlais oversaw the technical, marketing, and administrative performance of a contract laboratory and analyses business specializing in the thermal performance of materials and systems. Desjarlais has been a Member of American Society for Testing and Materials (ASTM) since 1987 and serves on Committees C16 on Thermal Insulation, E06 on Building Systems, and D08 on Roofing. He is the past Chairman of ASTM Committee C16. He was awarded the title of Fellow in 2012. He has been a member of ASHRAE since 1991, serves on Technical Committees TC 4.4 on Thermal Insulation and Building Systems, TC 1.8 on Mechanical Insulation Systems, and TC 1.12 on Moisture Control in Buildings, and is past Chairman of TC 4.4 and Research Chairman of TC 1.8. Since 1992, Desjarlais has been a member and Past Director of the Single Ply Roofing Institute (SPRI) Technical Committee and Board of Directors. He also has served as a Member and Director of the Roofing Industry Committee on Weather Issues (RICOWI) since 1993. He was a founding member and serves on the Board of Directors of the Cool Roof Rating Council (CRRC). Desjarlais is the ORNL representative and former Chairman of the Federal Roofing Committee and past Member of the National Fenestration Rating Council (NFRC).

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Scott Doyle
Technical Director Quality Assurance, RESNET

Scott Doyle Scott Doyle is the Technical Director of Quality Assurance and Training for RESNET. Since earning Rater Certification in 2003, Scott has performed inspections on thousands of homes across a variety of construction types and climate zones. In 2007 he became a RESNET certified Quality Assurance Designee. As Primary QAD for multiple HERS Providers, he oversaw and mentored a large team of Quality Assurance Designees and Delegates. As an instructor, Scott has trained hundreds of Energy Professionals across the U.S. using a variety of formats including field, classroom, and e-learning. He has been directly involved in industry standard development through committee appointments and has served as a volunteer subject matter expert for multiple industry certification exams.

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Geoff Ferrell
Chief Technology Officer, Mandalay Homes

Geoff is Chief Technology Officer for Mandalay Homes, the nation’s highest volume builder of the DOE’s program for Zero Energy Ready Homes. Geoff oversees Mandalay’s home innovation, implementation, and strategies to improve efficiency, durability, health, and comfort, while maintaining market competitiveness. Geoff studied Aeronautical Science at Riddle Aeronautical University, in disciplines including engineering and aerodynamic performance. In 2003 Geoff shifted careers, and entered the home building arena working for Suncor as a construction manager in Prescott, Arizona. In 2013, Geoff began his career with Mandalay Homes. Geoff’s speaking engagements include RESNET Conferences, TechHome Builder Summit, EEBA, IBS, and DOE Zero Energy Ready Home (ZERH) Workshops. In his free time, he pilots the company airplane and spends time with his family.

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Tom Flanagan


Michelle Foster


Dean Gamble
Technical Manager, EPA

Dean Gamble is an Ex-Officio EEBA Board Member and the technical manager for EPA’s ENERGY STAR Certified Homes program, which he has helped support, define, and implement for nearly 20 years. With nearly 2 million homes certified, ENERGY STAR is the nation’s largest voluntary residential market transformation program, delivering cost-effective energy-efficient homes while improving their durability, comfort, and quality.

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Chris Gibson
Aerobarrier/AeroSeal

Mr. Gibson is a building industry veteran driving transformative growth, leading turnarounds and building a marketing consulting practice advising leading companies on sales, marketing, product and growth strategies. Most recently, Mr. Gibson led the high performing home practice at Owens Corning, working with builders across the company to design, construct and market high performing homes.

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Theresa Gilbride
Building Energy Efficiency Researcher, PNNL

Theresa (Terri) Gilbride is a building energy efficiency researcher with the Pacific Northwest National Laboratory in Richland, Washington, where she supports the U.S. Department of Energy as a content manager for DOE’s Building America and Zero Energy Ready Home programs. Terri has authored or co-authored 28 reports and 35 articles on residential energy efficiency and related topics. She served as the lead editor and an author on the Building America best practice guides, a 17-volume series which included climate-specific guides for high-performance home builders in all US climate zones and retrofit guides on air sealing, insulation, and HVAC. She has also published on building codes and emerging technologies including window attachments, solid state lighting, and HVAC.

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Alex Glenn
Building Scientist, Advanced Energy

Alex Glenn is building scientist, energy consultant, training specialist and utility sector advisor. He utilizes 15+ years of experience in the energy industry to deliver high-impact consultation, development and implementation services for national partners and utility sector clients. His specialties include project management, instructional design, training implementation and technical support for residential construction, smart grid and energy management programs. He also supports cross-functional team initiatives in account management, business development, program marketing and technical operations. Alex maintains multiple industry certifications and membership in various professional organizations including the EEBA Board of Directors as Marketing Committee Chairpers

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Scott Grefsheim
Senior Engineer, Aprilaire

Scott Grefsheim, Aprilaire Senior Engineer Grefsheim brings 25 years of experience in the residential HVAC industry. After graduating with a B.S.M.E. from the University of Wisconsin. He joined Aprilaire to assist with the launch of the first Aprilaire zone control system. Since then, he has been involved in developing many products that meet customer applications in the residential HVAC market including: Zone Control Systems, Thermostats, Air Cleaners, Dehumidifiers and Ventilation Products. Scott was recently issued a patent for “system and method for adjusting fractional on-time and cycle time to compensate for weather extremes and meet ventilation requirements.” His patent is key to Aprilaire’s ability to efficiently meet ventilation requirements and energy goals in challenging climates.

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Jenna Grygier
Project Engineer, Southface

Jenna Grygier is a Project Engineer on the Education and Research team at Southface. She provides resource efficiency consulting for commercial buildings, design/construction review support for green building programs such as EarthCraft and LEED, and conducts building science research and energy modeling analysis under a variety of research avenues such as DOE Building America, LBNL and NREL. Her current research focus is on emerging technologies in IoT and solutions to optimize indoor air quality, health, and comfort. She’s active in leading commercial and residential building code trainings to building professionals in the Southeast. Previously, as Program Manager of Southface Energy Rated Homes (SERH) Jenna managed all training, quality assurance and programmatic duties for RESNET, ENERGY STAR, Indoor airPLUS and WaterSense programs at Southface. Jenna holds a Professional Engineering license in Mechanical Engineering and is a proud Environmental Engineering graduate from the University of Georgia. She also maintains certifications as a HERS and ENERGY STAR v3 Rater, RESNET and WaterSense QAD and Trainer, LEED for Homes Green Rater, and BPI Building Analyst Professional.

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Chris Hansen
Environmental leader, Colorado House of Representatives

Rep Chris Hansen - Environmental leader at the Colorado House of Representative and member of the 6 person Joint Budget Committee. Nuclear Engineer, PhD, Oxford and MIT grad and hopefully next Governor of Colorado will speak about the policy decisions to electrify homes for climate mitigation. Policy drives markets and this is the path forward to reach Colorado’s Climate Action goals.

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Brian Hanson
Radon Program Coordinator, Kansas State University

Brian Hanson is currently the Radon Program Coordinator for the Kansas Radon Program houses in the Engineering Extension department of the K-Stare College of Engineering by cooperative partnership with the Kansas Department of Health and Environment. Mr. Hanson has been providing technical assistance and training related to radon for approximately 14 years, both for public and professional audiences.

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Scott Haugen


Bill Hayward
Hayward Score, Hayward Lumber

Bill Hayward is the CEO and Chief Sustainability Officer of Hayward, a 95 year old California lumber and building material supplier. Bill was named one of the “20 Most Influential Leaders in the Industry” and Hayward was named “Dealer of the Year” for their work in driving sustainability. Bill is now taking Hayward beyond sustainability with the newly developed Hayward Healthy Home building practices. This innovation combines building science and medical science into a compelling strategy to transform home construction so that homes will no longer degrade human health. Instead, homes will facilitate better health. For this work, Bill was named Entrepreneur of the Year in 2014. Bill just completed the first Hayward Healthy Home in Carmel, Ca. Taking on the role of Chief Innovations Officer, Bill will leverage the intellectual capital derived from the Hayward Healthy Home research and development project to grow new businesses. On the non-profit side, Bill is Chairman Emeritus of FSC US and Chaired the Forest Stewardship Council US for 5 years. Bill holds a BS from UCLA and graduated from the Stanford Executive Program in ‘06 WWW.HaywardHealthyHome.com.

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CR Herro
Builder, Meritage Homes

CR HERRO: Considered to be one of the most advanced thinkers in entire building industry, Herro has a 25-year history of successful industry disruption and new business development for multi-billion dollar construction industries, running business development, green building, and M&A groups for Vulcan Materials, Lafarge / Holcium, and Meritage Homes. Herro is VP of Innovation for Meritage Homes, where he leads efficiency, automation, renewable energy, and advanced building science programs.

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Joseph Hillenmeyer
Channel Marketing Manager, Aprilaire

Joseph Hillenmeyer, Aprilaire Channel Marketing Manager – New Construction Hillenmeyer has been with Aprilaire for the past 5 years and has worked on developing and executing Healthy Home messaging for the company’s consumer and trade channels. He works closely with our home building partners to incorporate the healthy air message in to their consumer value proposition. He is passionate about helping builders embrace the buyer demand for a Healthy Home.

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Rob Howard
Performance Construction Manager, Mitsubishi Electric Cooling & Heating

Rob Howard is Performance Construction Manager with Mitsubishi Electric Cooling & Heating. He provides training and technical support to builders, remodelers, architects, and engineers on variable refrigerant flow cooling and heating systems for residential applications. Rob has over fifteen years of experience in the performance construction industry. He is the former Director of Construction at Habitat for Humanity of Catawba Valley where they built ENERGY STAR homes through Advanced Energy’s SystemVision program. They built the first Net-Zero Energy Home in North Carolina in partnership with Appalachian State University in 2005. They also built the first DOE Zero Energy Ready Home in North Carolina in 2015. Rob became a HERS Rater in 2006 and started a company called Home Energy Solutions to provide green building consulting and home performance contracting in Western North Carolina. He earned his bachelor’s degree and a renewable energy technologies diploma from North Carolina State University.

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Pat Huelman
Associate Extension Professor in Energy and Building Systems, University of Minnesota

Pat Huelman is an Associate Extension Professor in Energy and Building Systems with the University of Minnesota's Department of Bioproducts and Biosystems Engineering and serves as Coordinator of the Cold Climate Housing Program with the University of Minnesota Extension. He is a lead faculty member for the Building Science and Technology undergraduate degree program and a principal investigator for hygrothermal testing at the Cloquet Residential Research Facility. Currently, Pat is the Project Lead for NorthernSTAR, one of the Department of Energy's Building America teams. Pat has been extremely active in professional education for the home building industry and is nationally recognized for his "systems approach" for high-performance homes. Pat's long-term focus has been on heat, air, and moisture movement in buildings and his primary expertise is in building systems and technologies that will provide energy efficiency, long-term durability, and healthy indoor air for homes. With almost 40 years in the field, Pat brings extensive experience and expertise in energy-efficient design and construction, innovative building systems, moisture management strategies, mechanical ventilation, and residential indoor air quality.

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Nick Hurst
Program Manager - Indoor airPLUS, EPA

Nick Hurst is the Program Manager of EPA’s Indoor airPLUS label for new homes. Nick earned a Master’s in Technology concentrating in Building Science from Appalachian State University and has been involved in the construction industry for 17+ years as a residential project manager, self-employed remodeler, consultant, and trainer.

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Luis Imery
CEO, Imery Group

Luis Imery CEO, Imery Group Luis Imery, founder of Imery Group ( Atlanta-Athens, GA), has made a name for himself as a building science enthusiast — an effort that has won him several awards for sustainable building construction. With an innate desire to shape, build and expand communities, Luis first earned a degree as a Civil Engineer in 1996. His passion for learning and acquiring immense knowledge led to an MBA from the Terry College of Business in 2003, with a concentration in Real Estate and Entrepreneurship. That strong foundation paved the way for his illustrious career as a home designer, home builder and innovator of the entire home building process, including neighborhood development, and energy performance evaluation. Recognizing that the green trend was growing across industries, Luis believed there was a better way to build and develop communities. He decided to learn as much as possible about sustainable building science and started Imery Group in 2009 with a mission to promote energy efficient custom home building, walkable and low impact communities and home energy rating practices. He understands all aspects of real estate development and construction and has a successful record as a project manager that is evidenced by his long-lasting relationship with top performers in the industry.

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Leo Jansen
Primary Quality Assurance Delegate, Energy Efficient Homes Midwest

Leo Jansen serves as the (QAD) for Energy Efficient Homes Midwest, Inc., one of the largest 3rd Party QA Providers within the RESNET Network, providing Quality Assurance services for HERS Raters across seven States. A second generation employee of EEHM, Leo began his career following a different path in the United States Army, where he served as a Transportation Officer in the 101st Airborne Division, deploying his unit twice to Afghanistan in support of Operation Enduring Freedom. After the military, he worked as a Manufacturing Supervisor and then as an Account Manager for an international freight forwarder, where he earned his U.S. Customs Brokerage License. He joined the family business after learning more about building science and energy efficiency, and the exciting opportunities the industry holds. He has jumped with both feet forward into the industry, earning his RESNET QAD and IECC Plans/Examiner certifications, and is working towards his LEED certification. He currently serves on the RESNET Emerging Leadership Council (ELC), and on the Standards Integration Task Group within RESNET’s SDC 300. Leo brings a wide set of experiences, an analytical mindset and a process driven approach to the building science and energy efficiency industry that he hopes will help bring these concepts into new markets and business opportunities for all members of the building and rating industries.

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Xin Jin
Senior Research Engineer, NREL

Dr. Xin Jin is a senior research engineer at the National Renewable Energy Laboratory (NREL). His research focuses on building-to-grid integration, building controls, machine learning applications in buildings, and fault detection and diagnosis. Dr. Jin is a principal investigator of several research projects funded by the U.S. Department of Energy Office of Energy Efficiency and Renewable Energy. He received his Ph.D. in Mechanical Engineering from Pennsylvania State University. He is an ASHRAE member and IEEE member. He has authored more than 50 peer reviewed technical publications and is a recipient of the 2018 R&D 100 Award.

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Nathan Kahre
High Performance & Healthy Home Manager, Thrive Home Builders

Nathan Kahre is the High Performance and Healthy Home Manager at Thrive Home Builders. As part of the Quality Assurance Department at Thrive, Nathan is responsible for the implementation of constructible and cost-effective building science techniques. Nathan works directly with field personnel, subcontractors, and HERS raters to promote continuous improvement and create healthier, more efficient homes. Nathan is also the EEBA Next Generation Development Committee Chair and has a passion to empower other young people to be successful and excited about a career in home building.

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Emily Kemper
Architect, CLEAResult

Emily is an Oregon-registered architect and building science expert who manages CLEAResult's Residential Engineering and Technical Team that supports energy efficiency programs and projects across the United States. She has served as an appointee on the Oregon Governor's Board for Residential and Manufactured Structures since 2011, and is an adjunct instructor teaching an 'Assessing Sustainable Buildings' course at the University of Oregon's Portland campus. She is particularly fond of working to improve the efficiency of her 110-year old Victorian bungalow in inner Southwest Portland.

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Steve Klocke
Senior Sustainanability Consultant, Steven Winter Associates

Steve Klocke is a Senior Sustainability Consultant at Steven Winter Associates, Inc. specializing in LEED® for Homes and ENERGY STAR certifications for affordable multifamily buildings. Over the past eight years he has completed ratings on nearly 1,500 dwelling units. This breadth of experience has provided an understanding of what works and what doesn’t in the design, construction and occupation of residential buildings. Steve is a LEED for Homes Green Rater, HERS Rater, BPI Building Analyst and Registered Architect. Steve has trained numerous groups of contractors, architects, developers and mechanical system designers in best practices for high performance housing, and he contributed to the development of a City University of New York program to introduce construction technology students to residential energy modeling. Category: Multifamily

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Nikki Krueger
Industry Manager, Therma-Stor

Nikki Krueger is the Industry Manager for Therma-Stor’s residential and light commercial moisture control products lines, including Ultra-Aire whole house ventilating dehumidifiers and Santa Fe freestanding dehumidifiers. She has been involved in the indoor air quality industry for over 15 years. She is a RESNET certified home energy rater, sits on the RESNET SDC 200 committee, a board member of the Maryland Building Performance Association, and a member of the ACCA Manual Low Load Homes (LLH) Advisory Committee. Krueger has worked with building science industry icons to develop and produce a two-day hands-on crawl space encapsulation training program that recently has been adopted by the North Carolina Building Performance Association as their credentialing program. She is an active member of the Spray Polyurethane Foam Association, currently participating on the building envelope committee, as well as on the certification and safety committees. As industry manager for Therma-Stor, she educates and trains builders, HVAC contractors, architects, engineers, crawl space contractors, and other professionals in the industry on the building science of ventilation and moisture control in buildings.

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Neal Kruis
Vice President, Big Ladder Software

Neal Kruis is Vice President of Big Ladder Software in Denver, Colorado. He has a Ph.D. in architectural engineering from the University of Colorado at Boulder. Neal is also the Director of Energy Modeling for RESNET and is working with the members of RESNET's Software Consistency Committee to enhance the consistency of HERS Index Scores calculated by accredited rating software. Neal has been developing building performance simulation software since 2007 and is now a core developer on DOE's EnergyPlus software, and California's building energy code compliance software, CBECC-Res. Prior to joining Big Ladder, Neal worked as a residential buildings research engineer at the National Renewable Energy Laboratory.

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Kerry Langley
Residential Mortgage Lending Industry, United Community Bank

Kerry Langley is a thirty-four year veteran of the residential mortgage lending industry and has been awarded numerous production and customer service awards and has personally closed over $1.3 bil in residential loans. In 2008, Mr. Langley was encouraged to develop mortgage lending solutions specifically to help prospective buyers understanding the “value proposition” of high performance / third party verified homes. This evolved into the development of an Excel based software program named High Performance Lending® and for the past 10 years, Mr. Langley has been evangelizing the residential real estate market by offering mortgage lending solutions based on the Total Cost of Owning a Home vs, soley on the price and monthly payment. Mr. Langley is currently employed with United Community Bank in Atlanta, Ga. He lives in Berkeley Lake, Ga with his wife of 35 years, Linda and their two Golden Retrievers, “Honeysuckle Rose” and “Huckleberry”. The Langley’s have two adult children, each married, and four grandchildren.

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Mark Lessans
Ingersoll Rand

Mark Lessans works with product managers, market analysts, and functional teams across Ingersoll Rand’s enterprise to evaluate the landscape of energy directives and scenarios facing the company’s brands. In doing so, he builds implementation plans to ensure market growth regarding energy efficiency, assists Ingersoll Rand business teams in evaluating and responding to energy codes and standards, and enhances the linkage of energy policies and regulations with business realities across the enterprise. Prior to joining Ingersoll Rand, Mark was a Fellow at the U.S. Department of Energy’s Building Technologies Office, where he helped operate the Building Energy Codes Program. While there, he managed projects aimed at increasing adoption and compliance with current model energy codes, and provided leadership on the department’s strategy for increasing model code implementation. Before the DoE, Mark held an advocacy role at the Alliance to Save Energy, where he worked for the Building Codes Assistance Project. Mark is a Certified Energy Manager. He earned a B.S. in Architecture from the University of Maryland, and an M.S. in Engineering Management from George Washington University.

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Kimberly Llewllyn
Performance Construction Manager, Mitsubishi Electric Cooling & Heating

How we design, construct and live in our built environment has a tremendous impact on our global ecosystem. My background in Environmental Engineering has been put to use in the construction industry since 2010 working as a mechanical designer and educator on the subject of VRF and healthy, integrated mechanical system design. Field work as a HERS rater and building failure consultant shaped my holistic, field based perspective. Because it’s crucial to balance theory and practice, I keep my boots dirty, hold skilled trades in very high regard and refuse to gloss over inconvenient field realities. For the past three years, I have been with Mitsubishi’s Performance Construction Team which is committed to providing healthy, efficient and reliable mechanical solutions to the high performance building market. Currently a voting member on ASHRAE SPC 62.2 and a PHIUS certified CPHC.

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Eric Martin
Program Director - Buildings Research Division, Florida Solar Energy Center

Eric Martin is a Program Director in the Buildings Research Division at the Florida Solar Energy Center, a research institute of the University of Central Florida. Mr. Martin holds a masters degree in environmental engineering, and he is a Principal Investigator for multiple awards under the U.S. Department of Energy’s Building America Program, with a current focus on comfort systems for high performance homes and ventilation and indoor air quality solutions.

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Susan McFaddin
Green Developer and Entrepeneur, Revive Properties

Susan is a green developer and entrepreneur who developed the first LEED-NC Platinum office building in Northern Colorado, Seven Generations, and the first LEED-EB building in Fort Collins, Sunstone Office Park. She was the development consultant for the Revive community that is the first zero energy development in Colorado and has won the DOE Housing Innovation Award for several years for both production and multifamily homes.

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Joe Medosch
Executive Director of healthy Home Environment Association, Energy & Environmental Consulting

Joe Medosch is owner of Energy & Environmental Consulting LLC and Executive Director of Healthy Home Environment Association. He provides practical "universal" training and communication skills to professionals. He is a Comfort Consultant Trainer, providing solutions on home performance applications. His certifications include: BPI Proctor - Building Analyst & Envelope Professional, Infiltration & Duct Leakage, IDL - Infiltration & Duct Leakage certification, HHE Healthy Home Evaluator Master Trainer; ICC- Commercial & Residential Energy Inspector / Plans Examiner and Residential Building Inspector, Inactive - IAQ Professional, HERS Rater and NABCEP PV Certified.

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Cheryn Metzger
DOE Building Technologies Office, PNNL

Cheryn Metzger has worked at PNNL since 2014. Mrs. Metzger primarily supports the Department of Energy's (DOE) Building Technologies Office and focuses on large scale energy efficiency programs in residential and commercial buildings. Prior to joining PNNL, Mrs. Metzger worked for NREL as an engineer and research coordinator for the Building America Program.

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Joe Nebbia
Building Codes & Building Science Expert, Newport Partners

Joe Nebbia is a national building codes and building science expert with 16 years of experience in policy and regulatory analysis, including over 12 years spent working on buildings and construction related issues. He develops and conducts code training in multiple states and operates a code technical assistance service in Maryland and New York. He serves as the Operations Director for the DOE Zero Energy Ready Home Program and performed the same function for the predecessor program, the DOE Builders Challenge.

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Ron Nuttall
APA

Ron graduated from Texas Tech University with a degree in Business Administration. His career began with major forest product companies, introducing and promoting the use of engineered wood products to the industry before joining APA. He promotes the environmentally and economically efficient use of engineered wood products to design and construction professionals in the upper midwest region of the US.

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Ed Osann
Senior Policy Analyst, Natural Resources Defense Counsil

EDWARD R. OSANN Senior Policy Analyst, Water Program Natural Resources Defense Council Ed Osann is a Senior Policy Analyst with NRDC’s Water Program. Ed joined NRDC in 2009 to lead a 7-member team working to improve the efficiency of water use. He served as Director of Policy and External Affairs for the US Bureau of Reclamation from 1993 to 1996, and has extensive experience in state energy and water policy development as well, having contributed to legislation on energy efficiency, renewable energy, air quality, water conservation, and green buildings in the states of Maryland and California and in the District of Columbia. In 1996, he established Potomac Resources, a consulting practice specializing in state and federal policies that promote energy and water efficiency. He served as coordinator for the Steering Committee for Water Efficient Products, a coalition of manufacturers, water utilities, and environmental organizations successfully advocating for the creation of EPA’s WaterSense program. Previously, Ed was director of the Water Resources Program of the National Wildlife Federation, where he worked on the federal Flood Insurance Program, federal flood control and water supply projects, and new policies for urban and agricultural water conservation, including national standards for plumbing products. He holds a master’s degree in Urban and Regional Planning from George Washington University and a BS in International Relations from Georgetown University. In 2010, Ed received the Mike Moynihan Excellence Award for statewide innovation in water conservation from the California Urban Water Conservation Council. From 2012 to 2015, he was a member of the Technical Committee for IAPMO’s Green Plumbing and Mechanical Code Supplement. In 2013, Ed was appointed to the 7-member Independent Technical Panel on Urban Conservation established by the California Department of Water Resources. Ed is a member of the AWWA Water Loss Control Committee, and contributed to the pre-publication review of the AWWA’s Manual M-36, Water Audits and Loss Control Programs, 4th Edition.

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Shanti Pless
Applied Research & Design, NREL

Shanti joined the Commercial Building Research Group at NREL in 1999 with a focus on applied research and design processes for commercial building energy efficiency and building integrated renewable energy. This work has included facilitating numerous integrated design processes and energy modeling teams needed to realize cost-effective zero-energy commercial buildings. He is leading the development of the next round of Advanced Energy Design Guides and managing the Whole Buildings Systems Integration section of the group. Shanti has written more than 50 journal articles, industry publications, guidebooks, and technical reports related to energy efficiency and zero-energy buildings, with frequent national keynote speaking experience at industry conferences such as Greenbuild, AIA, and ASHRAE. He was awarded an ASHRAE Technology Award in 2013 for NREL's large-scale zero-energy Research Support Facility.

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Jillian Pritchard Cooke
Founder, Wellness Within Your Walls

Jillian Pritchard Cooke is the founder of Wellness Within Your Walls, which aims to connect the global family with healthy eco-sensitive products that result in beautiful, sustainable, non-toxic environments. Jillian is also the founder of interior design firm DES-SYN which was established in 1991 and primarily services the residential building industry. Jillian opened BEE in Atlanta, GA in 2010, a unique retail boutique promoting fashion and home furnishing products that meet the GOTS, WWYW, SFC, and Cradle to Cradle standards. Jillian has more than 30 years of experience with design projects in New York, Philadelphia, Boston Los Angeles, London, and Atlanta. Presenter #3: William Hayward, Hayward Score bhayward@haywardhealthyhome.com Bill is the founder of Hayward Score as well as the CEO and Chief Sustainability Officer of Hayward Lumber, a 95 year old California lumber and building material supplier. Since 2008, when he, his wife and their newborn daughter became sick in their "dream home", Bill has been focused on combining building science and medical science into a compelling strategy to transform home construction so that homes will no longer degrade human health. Moderator: Robert August, North Star Synergies

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Sam Rashkin
Chief Architect of the Building Technologies Office in the Office of Energy Efficiency and Renewable Energy, DOE

Sam Rashkin is Chief Architect of the Building Technologies Office in the Office of Energy Efficiency and Renewable Energy, where he leads the development of high-performance home innovations through the Building America and DOE Zero Energy Ready Home programs. Sam is a registered architect and has served on the national steering committees for NAHB’s Green Builder Guidelines, USGBC’s LEED for Homes, EPA’s Water Sense label, and on the development team for EPA’s Indoor airPLUS label. He has served as the national director of ENERGY STAR 1994-2011. Sam has delivered hundreds of presentations, articles, technical papers, reports, and seminars, and books on energy efficient and green construction.

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Paul Raymer
Senior Technical Specilist, ICF

Paul H. Raymer has forty plus years of building science experience. He is a Senior Technical Specialist with ICF and is the author of the Residential Ventilation Handbook V2. He has a bunch of BPI certifications and is a certified HERS Rater. He is a voting member of ASHRAE 62.2.

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Rachel Romero
Energy Engineer, NREL

Rachel Romero is an energy engineer at the National Renewable Energy Laboratory (NREL) in the Integrated Applications Center. Rachel is the competition manager for the U.S Department of Energy Solar Decathlon Design Challenge, which inspires the next generation of collegiate students to design net zero buildings. Also, she is the project manager and technical assistance program coordinator for the Department of Homeland Security (DHS) energy management program. Rachel obtained her Bachelor of Science in Mechanical Engineering from Hope College and then received her master’s degree in Building Systems Engineering at the University of Colorado Boulder and a graduate energy certificate from the Renewable and Sustainable Energy Institute (RASEI). She received her PE in 2014. Rachel is an active member of ASHRAE and acts as the Region IX Young Engineers in ASHRAE (YEA) Regional Chair and the programs chair for TC 7.1 Integrated Building Design.

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Stacey Rothgeb
Leadership, Research, NREL

Stacey Rothgeb provides thought leadership and technical management to a variety of research efforts focused on industry advancement through building science integration, knowledge transfer, and workforce development. Key efforts include the DOE Building America Program and DOE Solar Decathlon Competition.

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Jim Sargent
Energy Efficient Home Builder

A pioneer of energy-efficient home building in Texas. Recognized as the first EEBA Master Builder in the nation in 2003. Named Energy Value Housing Award Builder of the Year in 2006. Awarded Best Green Concept Home by NAHB 2006. Received the CATEE Outstanding Commercial Enterprise Award (Clean Air Through Energy Efficiency) by the State of Texas in 2007

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Steve Saunders
CEO, Tempo, Inc

Steve Saunders is the CEO of Tempo, Inc. Tempo is a holding company of diverse businesses that work to improve building performance in comfort, efficiency, sustainability and wellness for the buildings where people live and work. Steve has received a National USGBC Leadership Award and is a member of the Contracting Business Hall of Fame among many personal awards. Tempo (including subsidiaries) is a 3-time ENERGY STAR Partner of the Year, three-time National HVAC Contractor of the Year and 5-time National Green Partner of Excellence. The company is owned by the employees and operates on the principles of Servant Leadership and Performance Excellence.

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Suzanne Shelton
President, CEO, Shelton Group

Where Suzanne sees opportunity, you can bet results will follow. With nearly three decades of experience and vision in the advertising industry, Suzanne has led Shelton Group to become the nationally recognized, energy- and environment-focused marketing agency that it is today. As president and CEO, she directly manages our marketing efforts and works with our research team on our proprietary studies. Drawing on her extensive knowledge of the industry, Suzanne provides unparalleled strategic insights for agency clients from a bird’s eye view. Suzanne is a guest columnist in multiple publications and websites, such as GreenBiz.com, and she speaks at over 20 conferences a year, including Sustainable Brands, ACEEE, LOHAS and Green Build. She also regularly contributes to the Shelton Insights blog.

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Clint Shireman
Training Manager, Knauf Insulation

Clint Shireman is a Training Manager for Knauf Insulation. He works with builders and installers nationwide, teaching building science, spreading best practices, and building a respected training network. He’s also heavily involved with the High Performance Insulation Professionals, an insulation trade group that’s making good progress towards improving the quality of residential insulation work. Clint worked as a contractor doing whole-house remodels prior to joining Knauf Insulation.

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Elliot Siebert


Brett Singer
Staff Scientist, Lawrence Berkeley National Laboratory

Brett C. Singer, Ph.D., is the Indoor Environment Group Leader and a Staff Scientist in the Whole Building Systems Department at Lawrence Berkeley National Laboratory. He conceives and leads research studies of air pollutant sources, processes, exposures, and control strategies to achieve healthy environments in energy-efficient buildings.

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Tim Smith
Building Scientist, Consultant

Tim has a full background in operations and construction management with a specialty in building science. Living in Florida and working throughout the Southeast US, Tim has become a sought after consultant dealing with hot-humid climate concerns with the built environment especially with occupant health & comfort issues. Tim is knowledgeable in all the major green and energy efficient building programs, holding credentials for most the major systems. In 2015- 2018, overseeing his staff of Energy Raters, Field Inspectors and Building Analysts, he led 15 lightyears to achieve over 5000 energy rated homes, including RESNET HERS Ratings, Energy Star Homes and Indoor AirPLUS certifications, among many others. Tim is currently an active participant with the Florida Building Officials Association of Florida- Building Code Development Committee and serves as a representative to the Florida Building Commission's Energy Technical Advisory Committee, working to develop code strategies addressing common challenges Florida faces with energy and indoor air quality. CERTIFICATIONS: LEED Green Associate, FGBC Certifying Agent, Air Diffusion Council Certified, Energy Star for Homes Verifier, RESNET HERS Rater, RESNET Quality Assurance Designee, IECC Energy Inspector. TECHNICAL TRAINING: Photovoltaic Systems Designer, Water Intrusion Specialist, National Green Building Standard, DOE Zero Energy Ready Homes, Indoor AirPlUS Verifier

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Bruce Sullivan
Building Professional

Bruce Sullivan has been helping building professionals increase energy efficiency for more than 35 years. In writing, consulting, and training, he places a strong emphasis on real-world obstacles and practical solutions. His own homes have served as laboratories for the latest in high-performance design and construction concepts. In 2006, his personal high-performance home was honored with the NAHB Research Center’s EnergyValue Housing Award and the NAHB Green Building Award. In 2015, he and his wife built a home that generates enough electricity to operate the home and an electric vehicle. He is currently technical director at the Zero Energy Project.

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Jaclyn Toole
Assistant Vice President of Sustainability & Green Building at NAHB, NAHB

Jaclyn S. Toole, Assoc. AIA, CGP, is the Assistant Vice President of Sustainability & Green Building at NAHB, where her responsibilities include oversight of the sustainability and green building department as well as green home appraisals and financing, high performance and green education, research and providing technical assistance and advocacy support for state and local associations. Prior to joining NAHB in 2010, Jaclyn worked for and was part of the volunteer leadership at the American Institute of Architects. She has over seven years’ experience working as a project manager and designer in a traditional architecture firm where her portfolio included single-family custom homes, adaptive reuse, historic restoration, commercial, and healthcare buildings. Jaclyn grew up in southeastern Pennsylvania and earned a B. Arch. From Philadelphia University (formerly Philadelphia College of Textiles & Science) in 2002 and a sustainable residential design certificate from the Boston Architectural College.

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Iain Walker
Scientist, LBNL

Dr. Iain Walker is a scientist at Lawrence Berkeley National Laboratory (LBNL). He has more than 20 years of experience as a building scientist and consultant, conducting research on energy use, ventilation, moisture, performance simulation, and commissioning/diagnostic issues in residential buildings. His current work focuses on retrofits, Zero/Low Energy Homes and heating, ventilation, and air-conditioning (HVAC) systems in residential buildings through field and laboratory evaluations, modeling and simulation activities, and standards setting. He is Executive Editor and member of the board of Home Energy magazine. He is the task group leader for the American Society of Testing and Materials (ASTM) standards committees on building and duct system air leakage and sealant longevity. For the American Society of Heating, Refrigerating, and Air-conditioning Engineers (ASHRAE) he serves on National Standards committees for indoor air quality, weather, moisture design, and equipment air leakage. He also serves on Building Performance Institute (BPI) and Residential Energy Services Network (RESNET) Technical Committees, the Affordable Comfort (ACI) conference planning committee and provides leadership and technical input to many local, state, national and international bodies.

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Eric Werling
Program Coordinator, Building America

Eric Werling is a Building America Program Coordinator for the Energy Department's Building Technologies Office.

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Dan Wildenhaus
Building Science Manager, TRC & BetterBuilt NW

As the Building Science Manager for TRC and BetterBuiltNW, Dan has completely immersed in the discussion of what is required to create High Performance Buildings and the technologies that operate within them. Dan has 25 years of experience working directly for a contractor; performing energy audits and Ratings, weatherization repairs, consulting and analysis for private clients in both New Construction and the existing buildings market. After 15 years working directly in the field, Dan transitioned to the consulting side of the business, working with program implementation companies, finding a home with TRC. Dan currently provides Building Science consultation, technical management, market channel development, and training and presentation services for a variety of residential, multifamily, and small business programs across the country.

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Justin Wilson
Principal Partner - Vice President, Construction Instruction

Justin Wilson is a Principal Partner and the Vice President of Construction Instruction. As our Operations Expert, he leads research initiatives and company operations. In 2017 our Ci team opened “Ci Live” in Phoenix, AZ; a new state of the art hands on training facility and research lab. Justin works with national and regional builders on new construction of residential and commercials buildings and forensic investigations on building sites all over North America to find solutions to problems in the building processes that affect energy, comfort, and durability. He also uses this insight to work with leading building product manufacturers on new product development, product refinements, installation and maintenance guidelines. Thermal enclosure improvements, indoor air quality, occupant comfort, HVAC integration and design of homes are his primary industry interests. He also has a passion for affordable net-zero energy homes with advanced and durable thermal enclosures. As the Environment & Sustainability Manager with McStain Neighborhoods in Boulder, CO. Justin was a key player in designing and developing several of the first production net-zero homes in the US. He knows about the good, the bad, and the ugly of production net zero building. Justin’s Bachelor of Science Degree is in music with a secondary in literature. He is an accomplished Jazz and Classical musician. Turns out, Justin’s love for music is only love; his passion lies in the building industry, which he discovered while swinging a hammer to make ends meet. Since then, he’s studied mechanical engineering and physics, and has since worked as an Engineer at a plastic component manufacturing facility. These days, the Construction Instruction mobile app is Justin’s main part-time job and one of his his proudest achievements. It thrills him to watch the user base keep growing and it is rewarding to know that people are gaining valuable and innovative industry knowledge through the app

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Brian Wimmer
Construction Manager, Rochester Area Habitat for Humanity

Brian Wimmer has been building and remodeling for 40 years, the last 14 as the Construction Manager for the Rochester Area Habitat for Humanity. During the past couple of years he has developed their build to Zero Energy Ready Home program and constructed the first Certified Fortified Gold in Minneosate. He currently holds certifications from the Department of Energy as a Home Energy Score assessor. Additionally, he is an InterNACHI (Internation Association of Home Inspectors) Certified Home Inspector, and InterNACHI certified Moisture Intrusion Inspector, Home Energy Auditor and Infrared Certified

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