Global Director, Energy and Sustainability Strategy, Yahoo!

Founder and Executive Director, ClimateVoice; Former Green Energy Czar, Google

Director of Board Governance & Strategy, CalPERS

CEO, Carbon Tracker Initiative

Founding Director, Center on Global Energy Policy, Columbia University

Chairman and CEO, BP Capital

Professor, Food Business School, Culinary Institute of America

Administrator, National Oceanic and Atmospheric Administration

Deputy Director, California Governor's Office of Planning and Research

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