President & CEO, American Council on Renewable Energy

Professor of Computer Science, University of Oklahoma

Senior Director, Ceres

Independent Journalist, Author

Head of Advanced Transport, BloombergNEF

Founder, Third Act and 350.org

Mayor of Boise

Author, Saudi America: The Truth about Fracking and How It's Changing the World

National Field Director, Moms Clean Air Force

Sustainability Manager, Facebook

President and COO, Sunset Development

Governor, Amazonas, Brazil

Arts Member-Led Forum Co-Chair and Curator, Farmer Gallery, Commonwealth Club

U.S. Senator (D-OR)

Director of Water Resources, California Farm Bureau

Lead Scientist, Science Hub for Climate Litigation, Union of Concerned Scientists

Policy Director, California Climate Agriculture Network

Bassist for AJR, Founder of Planet Reimagined, Professor at Columbia University

President and CEO, San Francisco Planning and Urban Research Association

Pollster, FM3