Author, The Crash Course

Senior Scientist, Union of Concerned Scientists

Author, When More is Not Better

Author, Coal Wars: The Future of Energy and the Fate of the Planet

Former Director of Environmental Services, Western United Dairymen

Student Activist

CEO, Umita

Reporter, Los Angeles Times

Executive Director, Casa Pueblo de Adjuntas

Vice President and Regional Director for Africa, World Resources Institute

Assistant Professor of Pediatrics, University of Virginia

Trade Commissioner, Consulate General of Canada

Former Mayor, San Mateo

CEO, Siva Power

Co-founder, President and CEO, Rewiring America

Co-Director of Dirtroad Organizing

Co-Director, Climate Litigation Network, Urgenda Foundation

Staff Writer, The New Yorker and Author, Dark Money

Executive Director Strategic Development, Quantum Technologies

Commissioner, California Energy Commission