Bill Nussey

Founder of the Freeing Energy Project

Cory Combs

Cofounder of Ampaire

Amin Toufani

CEO of T Labs, Creator of Adaptability.org, Chair for Finance & Economics at Singularity University

Michael Shellenberger

Founder & President of Environmental Progress; Expert on Energy, Climate, Security, Human Development and Politics

Michael Shellenberger: How Progressives Threaten Cities

Katharine Hayhoe

Atmospheric Scientist, Professor of Political Science & Director of Climate Science Center at Texas Tech, Lead Scientist with The Nature Conservancy

Pat Wood

Former Chairman of the Federal Energy Regulatory Commission

Barbara Boxer

Former Democratic Senator of California

Donald Sadoway

John F. Elliott Professor of Materials Chemistry at MIT; Expert on Electrochemistry & Renewable Energy

Chris Turner

Author, Sustainability & Global Cleantech Expert

John Holdren

Professor of Environmental Policy & Director of the Program on Science, Technology, and Public Policy at the Harvard Kennedy School of Government

Doug Fine

Globe-Trotting Journalist, Award-Winning Climate Correspondent, Goat-Herder & Author

DeAndrea Salvador

Environmental Justice Advocate

Marcus Lehmann

Co-Founder and CEO at CalWave

Daniel Esty

Hillhouse Professor of Environmental Law and Policy at Yale Law School, Corporate Environmental Strategy Expert & Co-Author of "Green to Gold"

John Hall

Associate Vice President and Texas State Director for Clean Energy, Environmental Defense Fund

Shayne McQuade

CEO Voltaic Systems

Chris Castro

Eco-Entrepreneur; Director of Sustainability for the City of Orlando

Kartik Chandran

Environmental Engineer & Associate Professor at Columbia University

Tom Steyer

California Business Leader; Philanthropist and Clean Energy Advocate; Former 2020 Presidential Candidate

Kate Brandt

Lead for Sustainability at Google & Former Chief Sustainability Officer for the Obama Administration

Google Chief Sustainability Officer Kate Brandt