Kate Brandt

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

Pat Wood

CEO of the Hunt Energy Network; Former Chairman of the Federal Energy Regulatory Commission

Chris Turner

Author, Sustainability & Global Cleantech Expert

Doug Fine

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

Bill Nussey

Founder of the Freeing Energy Project; Partner at Tech Square Ventures & Engage

Monica Araya

Executive Director of the European Climate Foundation

Monica Araya: The billion-dollar campaign to electrify transport | TED

Sivan Ya'ari

Founder and CEO, Innovation Africa

Kartik Chandran

Environmental Engineer & Professor at Columbia University

Danielle Fong

Entrepreneur & Inventor; Formerly Chief Science Officer and Co-Founder of LightSail Energy, Inc.

Tensie Whelan

Director of NYU's Center for Sustainable Business; Former President of the Rainforest Alliance

Tom Steyer

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

Vicki Arroyo

Environmental Policy Influencer

Shel Horowitz

Green Guerrilla Marketer, National Environmental Hall of Fame, Social Activist, and Author

Donald Sadoway

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

Ambri: A Battery that Could Change the World

Chad Pregracke

Founder of Living Lands & Waters, CNN's Hero of the Year for 2013, Environmental Speaker & Bestselling Author

Edna Odhiambo

Independent Climate Consultant

Kehkashan Basu

Forbes 30 under 30, United Nations Human Rights Champion, National Geographic Young Explorer & Founder-President of Green Hope Foundation

Wanjira Mathai

Managing Director of Africa & Global Partnerships the the World Resources Institute; Sustainability & Youth Leadership Activist

Jamie Margolin

Climate Change Activist; Author; Founder & Co-Executive Director of Youth-Led Climate Action Group "Zero Hour"

Amy Harder

Climate Change Journalist & Executive Editor of Cipher by Breakthrough Energy

Marjan van Aubel

Award-Winning Solar Designer

Rhea Suh

Authority on Environmental Climate Policy & Advocacy; Independent Consultant & Advisor; Former President of National Resources Defense Council

Chris Castro

Eco-Entrepreneur; Chief of Staff for the Office of State and Community Energy Programs at the U.S. Department of Energy

Xiuhtezcatl Martinez

Indigenous Climate Activist, Hip-Hop Artist, Author & Youth Director of Earth Guardians

Mark Silberg

Senior Associate at Rocky Mountain Institute; Founder of Spark Clean Energy

Ramon Mendez Galain

Head of Climate Change Policy, Uruguay

Joel Makower

Expert in Sustainable Business, Clean Technology, and the Green Marketplace; Founder of GreenBiz.com

Amber Jenkins

Applied Science Engineer, NASA’s Jet Propulsion Laboratory; Editor, NASA Climate Change Website

David Doubilet

National Geographic Photographer & Founding Member of the International League of Conservation Photographers

Leilani Munter

Professional Race Car Driver & Environmental Activist