Board of Directors

Craig Stevenson, Chair

Craig Stevenson is President of AUROS Group, which is a technology company based in Pittsburgh, PA.  Craig is widely known for his role in establishing Pittsburgh as a leader in “Evidence-based Performance” for the built environment.  Evidence-based Performance uses technology to bridge the gap between “hoping” a building is performing as designed to “knowing” a building is meeting its performance goals. With 25 years of construction experience, Craig is an expert estimator and is credentialed in virtually all known building performance standards.  Using these skills, Craig ensures building owners have the data required to build and operate the highest-performing buildings at the lowest possible costs. Craig is co-author of the book, The Power of Existing Buildings—Save Money, Improve Health and Reduce Environmental Impacts, and the much referenced ASTM article, “Project Case Studies and the Lessons they Teach about Whole Building Envelope Air Leakage Testing.” Craig is a founding member and Vice President of the Passive House Pennsylvania chapter and a member of CEOs for Sustainability.  Craig sits on the City of Pittsburgh Clean Tech Roundtable and P4 Performance Measures Committee.  Craig is also a committee member with the AIA+2030 Committee on the Environment. Craig holds a Masters of Science in Management of Information Systems and an MBA degree from the Graduate School of Business at Duquesne University.


Katelyn Meehan, Vice Chair

Katelyn graduated from University of Maryland with a degree in environmental science, and spent the following two years in Peace Corps Peru as part of their environmental management program.  She then received her Masters from NYU Wagner with a degree in Urban Planning with a focus on infrastructure, transportation, and the environment.  She worked for the Suffolk County Economic Development Department, building out their bus rapid transit initiative and commercial brownfields program, as well as transit-oriented developments.  She later worked at HPD’s Housing Preservation and Development (HPD) agency in both their inclusionary housing and credit and underwriting divisions.  Katelyn currently is a relationship manager at Wells Fargo in the Community Lending and Investment platform.  She provides construction debt for affordable housing projects, primarily in the New York Metro area.  Katelyn has been working to bridge her passion for sustainability/environmental responsibility with her current role and has taken on additional responsibilities with the WF Foundation and their efforts around decarbonization and affordable housing.


Eddy Voltaire, Treasurer

Eddy Voltaire is a sustainability consultant with Design Construction & Sustainability Inc (DCS), a New York City-based firm. He is an experienced project and construction manager with a background in real estate, communications, and business development. While very diverse in experience, his approach often involves a distinct sense of play, aiming to put the fun in functional design. His work is guided by a strong belief in design as a problem-solving tool and means of recognizing and forming relationships between ideas and reality. Establishing a method for improving spatial equality, connecting people, community, and environment. DCS’s work exists at the intersection of art and technology. Eddy holds a degree in architecture and energy management from New York Institute of Technology.


Darren Macri, Secretary

Darren Macri is the CEO of Wythe Windows and Bleu Nest. He is a Certified Passive House Consultant & Tradesperson, LEED AP BD+C. His company Wythe Windows, has a state of the art window factory dedicated to manufacturing high-performance Passive House quality windows and doors located in Ramsey, NJ.  Through Bleu Nest he built New Jersey’s first Certified Passive House. Bleu Nest has since project managed and consulted on many other passive house projects ranging from historic retrofits to multi-family. He is proud to serve on the Board of Directors for North American Passive House Network and as one of the founders of New Jersey Passive House. Darren holds a Bachelor of Fine Arts degree from New York University.


Alexandra Kaplan, Director

Alexandra Kaplan is a Senior Project Manager and Associate Director of Fund Management at the Hudson Companies. Hudson is one of the leading residential developers in New York City of affordable, workforce, and market-rate housing.  Alex is responsible for all aspects of the development process on a wide variety of projects including La Central, a large-scale affordable housing development in the Bronx, the House at Cornell Tech, a Passive House building on Roosevelt Island, and several other mixed-income developments across the five boroughs. Prior to joining Hudson, Alex held positions at the New York City Economic Development Corporation and Jonathan Rose Companies. A common thread in all of her work is a commitment to promoting equitable urban development. Alex is an active member of the Urban Land Institute and the New York State Association for Affordable Housing. Alex also serves on the New York Leadership Council for Bottom Line, an organization that helps low-income and first-generation-to-college students attend and succeed at college. Alex holds a Bachelor of Arts in the Growth and Structure of Cities from Bryn Mawr College and a Masters of City and Regional Planning from the University of Pennsylvania.


Bronwyn Barry, Director

Bronwyn Barry is a registered architect based in San Francisco, CA, and a principal of her firm Passive House BB. Bronwyn organized and directed California’s first all-women construction crew for Habitat for Humanity before co-founding both  Passive House California (PHCA) and the North American Passive House Network. Bronwyn’s advocacy work extends internationally. She was an active contributor to the UNECE’s Coalition on Buildings, working to develop a global standard for high-performance buildings. Locally, she has focused on direct implementation by designing and building Passive House buildings since 2008. Bronwyn has contributed as a subject matter expert on a number of research projects in collaboration with researchers at Lawrence Berkeley National Labs (LBNL). Most recently she worked with California’s Codes and Standards team on exploring a Multifamily Passive House Reach Code for California. She directed NAPHN’s policy support programming and edited the NAPHN Policy Resource Guide published in 2019 at NAPHN19. Bronwyn was educated in South Africa, the UK, and the USA and holds a Bachelor of Arts from the University of Natal-KwaZulu.


Derrick Tillman, Director

Derrick Tillman is the President and CEO of Bridging the Gap Development, LLC (BTG). BTG founded in 2006, is a socially responsible diversified real estate development firm based in Pittsburgh, PA. Mr. Derrick leads the company’s mission to rebuild sustainable communities through residential & commercial development by “bridging the [real estate and opportunity] gaps” in a community. In order to achieve this goal, BTG develops a variety of projects including multifamily affordable housing, market-rate rental and homeownership properties, as well as mixed-use and commercial development projects. A recent achievement of our firm includes the successful completion of the Miller Street Apartments, a 36-unit new construction Affordable Housing project that has “raised the bar” on Affordable housing from a holistic perspective. The firm has also been able to use its business acumen to innovatively train many unemployed and underemployed individuals with construction and/or weatherization skills. BTG, itself a Minority Business Enterprise, is committed to providing opportunities to other M/WBEs. Derrick holds a Bachelor of Science degree from the University of Pittsburgh.


Jay Murdoch, Director

Jay Murdoch serves as the Director of Industry Affairs at Owens Corning and operates out of the company’s Washington DC office. Jay leads the company’s efforts on model and State energy and building codes and supports the Government Affairs team on policy and regulation impacting buildings. Prior, Jay was the Executive Director of Efficiency First, a trade association of contractors making energy efficiency improvements to homes, low-rise multi-family, and light commercial buildings. In 2009 Jay joined Masco Home Services where he helped lead business development for their existing homes energy efficiency retrofit start-up (WellHome)  and expanding their new homes service offering to builders (Environments for Living). From 1999-2009, Jay had multiple roles in technical services, government and regulatory affairs, marketing, business development, and sales at Owens Corning.  In 2006, Jay led the development of Owens Corning’s Builder Energy Solutions Calculator. Jay also worked at NAHB where he handled electric utility deregulation, ADA & Fair Housing, codes, and standards, and NAHB’s first-generation green building guidelines. Jay also worked in the federal government (the US Access  Board) where he wrote design and construction rules related to accessibility and classroom acoustics under the Americans with Disabilities Act and the Fair Housing Act. Jay is a  recovering builder and designed and built homes and additions as well as commercial projects in the Washington DC metro area and the Turks  &  Caicos  Islands,  BWI.  Jay holds a degree in architecture from the Catholic  University of  America, in  Washington  DC.

Joya Cohen, Director

Bio and picture coming soon…

Karen Spiegel, Director

Karen Spiegel is a skilled storyteller and reputation builder, especially for brands in transition. Karen has led global marketing and communications across many sectors from clean energy to advertising. Her expertise centers around clarifying complexities, along with the ability to articulate technology in understandable terms while teasing out an organization’s previously unrecognized attributes. With twenty plus years of experience successfully repositioning companies and expanding their global credibility, Karen now leads KS&Co., LLC, where she continues to build brand reputations. Previously she was Chief Communications Officer at FCB, overseeing the company’s global rebranding initiative, and at R/GA as SVP Marketing and Communications, elevating the brand to the most innovative digital agency at the intersection of creative and technology. Karen has continually stressed the importance of communicating clearly and simply with the end goal to improve revenues and expand customer engagement by using analytics. To assist others, she works with Cleantech Open helping clean energy startups to better market their products and services. Karen holds a BA in English History from the University of Pennsylvania and a Doctor of Law from Santa Clara University School of Law.


Lois Arena
Lois Arena, Director

Lois Arena is the Director for Passive House Services at Steven Winter Associates, Inc.
Lois possesses over 25 years of experience in the building science field and has extensive experience with new and existing buildings. Lois 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 roadblocks to Passive House adoption. Lois holds a Bachelor of Science degree from the University of Connecticut and a Master of Science from the University of Colorado.


Lori Atwater, Director

Lori Atwater is a California-based African American female entrepreneur with over 20 years of experience in capital improvement project development, energy program management, federal and state government contracting, solar project engineering, construction project management, information systems management, communications consulting, and electrical/electronic systems integration.  Her humble beginning – IBEW Local 11 electricians apprentice and computer network technician.

Today she leads Transformation Village Inc developing sustainable master planned communities driven by jurisdictional demand. Both new construction and urban revitalization projects are part of the portfolio of smart village projects. The team is committed to deployment that is culturally appropriate, environmentally restorative and economically viable.

Lori speaks publicly at technical conferences in the United States and abroad. She serves as Trustee of the California Homebuilding Foundation, Chair for the Building Industry Technology Academy Advisory Committee, and Judge for California’s CleanTech Open. Lori travels frequently and enjoys extreme sports, including scuba and camping.