NextGen America was started by the environmentalist of what nationality?
Tom Steyer Thomas Fahr Steyer (born June 27, 1957) is an American hedge fund manager, philanthropist, environmentalist, liberal activist, and fundraiser.
Gregory Kats Gregory H. Kats (born July 14, 1959) is an American businessman, environmentalist and writer. He is President of Capital E, a national clean energy advisory and venture capital firm. He previously served as a Managing Director at Good Energies a billion-dollar global clean energy investor and served for 5 years as the Director of Financing for Energy Efficiency and Renewable Energy at the U.S. Department of Energy (DOE).