Philip David “Phil” Radford (born January 2, 1976) is an American environmental, clean energy and democracy leader who served as the youngest Executive Director of Greenpeace USA. He is a co-founder of the Democracy Initiative, Membership Drive, was founder and Executive Director of Power Shift, and is a board member of Green Corps and the Mertz Gilmore Foundation. He has a background in grassroots organizing, corporate social responsibility, climate change, and clean energy. Radford lives in Washington, DC with his wife Eileen.