Co-founder, DeSmog Blog

Founder, Skeptical Science

Editor, Yale Forum on Climate Change and the Media

Director of Biodiversity & Ecosystem Services, Business for Social Responsibility

Senior Director, Environmental Sustainability, Microsoft Corporation

Founder, REDD+

Science Editor, KQED

Commissioner, California Energy Commission

Chief Sustainability Officer, Office of Mayor Eric Garcetti, City of Los Angeles

U.S. Trade Reprentative

Secretary, US Department of Agriculture

Executive Director, California Water Foundation

Water Policy Manager, Metropolitan Water District of Southern California

Water Program Coordinator, The Pacific Institute

Adjunct Professor, Bren School of Environmental Science & Management, UC Santa Barbara

U.S. Secretary of the Interior