Greg has played substantial roles in developing the energy efficiency and green building industries, and is a long-time thought leader, innovator and investor in the transition to a low carbon economy. He is President of Capital E which works with cities, corporations and financial institutions to design, scale and implement clean energy and low carbon strategies. Capital E invests in early stage
cleantech/green firms, and Greg is a partner in Cleanfeet, funding innovative green energy and agricultural projects.
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. He 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 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 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. Greg chaired the CarbonStar standard development
He earned an MBA from Stanford University and a BA from UNC as a Morehead Scholar, and is the author of Greening Our Built World. Greg serves on a half dozen boards and regularly testifies on clean energy/green/financing issues. A solar PV system powers his family DC home and an electric hybrid car.