Coalition Founder & Committee Co-chair
President - Capital E
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 previously served as Managing Director of Good Energies, a multi-billion dollar global clean energy PE/VC fund, where he led investments in smart grid, energy efficiency, green materials and green buildings. Over the past decade he has invested $1.5 billion in 50 US clean energy firms. Greg served for 5 years as the Director of Financing for Energy Efficiency and Renewable Energy at the US Department of Energy. Greg was the Founding Chairman of IPMVP and built it into the international energy and water efficiency design and verification standard for >$50 billion in building efficiency upgrades. He was the Principal Advisor guiding the development of Green Communities, the comprehensive green design standard for 50,000 units of green affordable housing. He recently helped design the World Bank’s large new green building financing program. Greg 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 of 430,000 federal buildings, serves on the Mayor’s Green Ribbon Committee guiding the greening of the District of Columbia, and served on a National Academy of Sciences board on strengthening US global competitiveness. He earned an MBA from Stanford University and (concurrently) an MPA from Princeton, a BA from UNC as a Morehead Scholar and is a Certified Energy Manager. Greg is the author of Greening Our Built World; Costs Benefits and Strategies and 50 technical papers, reports and book chapters on energy, green buildings and financial issues. He testifies frequently, serves on clean energy corporate boards, and solar PV powers his home and electric car.