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.
Stephen O. Andersen Stephen Oliver Andersen (born 17 January 1948) is the American Director of Research at the Institute for Governance & Sustainability (IGSD) and is also Senior Expert Member of the Montreal Protocol Technology and Economic Assessment Panel (TEAP) and from 1989 to 2012 was TEAP Co-Chair. He is considered one of the founders and leading figures in the success of the Montreal Protocol on Substances that Deplete the Stratospheric Ozone Layer, having earned one of eleven United Nations Environment Program Visionaries Awards for the first 25 years of the Montreal Protocol, the U.N. Global 500 Award that has also been earned by Jimmy Carter, Wangari Maathai, Jane Goodall and Service to America Career Achievement Medal.