Andrew Steer

President & CEO of the Bezos Earth Fund; Former President & CEO of the World Resources Institute

Explore 2023: Andrew Steer, CEO of Bezos Earth Fund

Sonia Yeh

Professor, Department of Space, Earth and Environment, Physical Resource Theory

Ben Caldecott

Founding Director of the Oxford Sustainable Finance Programme & Associate Professor at the University of Oxford

Kate Brandt

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

Michael Shellenberger

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

Tensie Whelan

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

Christiana Figueres

Expert on Global Climate Change; Former Executive Secretary of the UN Framework Convention on Climate Change

Daniel Esty

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

Bill Nussey

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

Katharine Hayhoe

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

Saving Us: A Climate Scientist's Case for Hope and Healing in a Divided World

Naoko Ishii

Chief Executive Officer and Chair, Global Environment Facility, USA

Matt Damon

Actor, Screenwriter & Producer; Co-Founder of Water.org; Expert Advocate on Global Water & Sanitation Crisis

Gary White

CEO & Co-Founder of WaterEquity & Water.org with Matt Damon

Chris Turner

Author, Sustainability & Global Cleantech Expert

Chad Pregracke

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

Van Jones

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author

Al Gore

45th Vice President of the United States, Nobel Peace Laureate & Bestselling Author

Ian Bowles

Environmentalist & Energy Expert; Co-Founder of WindSail Capital Group

Dr. Julio Friedmann

Chief Scientist at Carbon Direct & Non-Resident Fellow at the Center on Global Energy Policy at Columbia University SIPA

Neeshad Shafi

Sustainability Futurist, Social Change Advocate & Expert on Climate Policy in the Middle East; Founder of Arab Youth Climate Movement Qatar

Edna Odhiambo

Independent Climate Consultant

Cynthia Giles

Guest Fellow at the Environmental & Energy Law Program at Harvard Law School

Andrew Behar

CEO of As You Sow

Scott Jacobs

CEO & Co-Founder, Generate Capital

Jason Schenker

Top-Ranked Economist, Bestselling Author, President of Prestige Economics & Chairman of The Futurist Institute

Nick Wobbrock

Co-Founder of Blue Forest Conservation

Tom Rand

Entrepreneur, Venture Capitalist & Author

Tom Steyer

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

Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown

Rick Ridgeway

Environmentalist, Mountaineer, Expedition Author, Former VP of Environmental Initiatives & Special Projects at Patagonia