Greg has played substantial roles in developing the clean energy and green building industries, and is a long-time thought leader and investor in the transition to a low carbon economy. He is Managing Director at ARENA Investments LLC - a clean energy impact investment firm, and President of Capital E - which works with cities, corporations and financial institutions to design, scale and implement clean energy and low carbon strategies.
Greg served as Managing Director of Good Energies, a several billion-dollar global clean energy PE/VC fund. Greg served for 5 years as the Director of Financing for Energy Efficiency and Renewable Energy at the US Department of Energy. He was the Founding Chairman of IPMVP and built it into the global energy and water efficiency design and verification standard for $50 billion in building upgrades. Greg helped design the World Bank’s large new green building financing program and is a founder of both the American Council on Renewable Energy (ACORE) and the country’s first green bank. In 2011 he was the first recipient of the US Green Building Council’s Lifetime Achievement Award. Greg Chairs the congressionally established advisory board guiding the greening and energy efficiency of 430,000 federal buildings and served on a National Academy of Sciences board on strengthening US global competitiveness. Greg earned an MBA from Stanford University, is the author of Greening Our Built World; Costs Benefits and Strategies, and is a Certified Energy Manager. He regularly testifies before and advises governmental entities on energy efficiency and renewable energy, green cities and financing issues, including recently the US Congress, the World Bank, the Israeli Knesset, and the National Academy of Sciences. Greg serves on several clean energy corporate boards, and solar PV powers his family home and electric car.
Greg’s work on LEED includes serving on its steering committee for the first 6 years (where he led the effort to establish minimum energy performance and then led the push to reweight LEED around climate change), chairing the LEED Energy and Atmosphere technical advisory group for its first 5 years, and serving as the founding chair of the national USGBC chapter.