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.
Jeff Corwin Jeffrey "Jeff" Corwin (born July 11, 1967) is an American biologist and wildlife conservationist, known to host many TV series including ABC's "Ocean Treks with Jeff Corwin".