Achim Steiner

Director of the Oxford Martin School; Former Executive Director of the United Nations Environment Programme

Bob Kopp

Climate Scientist, Geobiologist & Climate Policy Scholar at Rutgers University

Andrew Hoffman

Holcim (US) Professor of Sustainable Enterprise at the University of Michigan

Andrew Behar

CEO of As You Sow

Marcelo Mena Carrasco

Former Environment Minister of Chile

Tim Flannery

Environmentalist, Explorer & Author

Angel Hsu

Assistant Professor at the University of North Carolina-Chapel Hill & Founder/Director of the Data-Driven EnviroPolicy Lab

Dr. Sylvia Hood Washington

Chief Environmental Research Scientist at Environmental Health Research Associates, LLC.

Kartik Chandran

Environmental Engineer & Professor at Columbia University

Michael Shellenberger

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

Daniel Pauly

Daniel Pauly is the principal investigator at the Sea Around Us Project, which studies the impact of the world's fisheries on marine ecosystems. The software he's helped develop is used around the world to model and track the ocean.

Chad Pregracke

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

Al Gore

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

Sharona Shnayder

Environmental Activist & Founder of Tuesdays for Trash

Sophia Kianni

Climate Activist & Founder of Climate Cardinals

Cecilia Martinez

Co-Founder & Executive Director of the Center for Earth, Energy, and Democracy

Kate Marvel

Climate Scientist & Author

Vanessa Nakate

Ugandan Climate Justice Activist; Founder of Youth for Future Africa

Jamie Margolin

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

Benjamin Strauss

Chief Scientist, President & CEO of Climate Central

Tatiana Schlossberg

Award-Winning Journalist, Environmentalist, Author of "Inconspicuous Consumption: The Environmental Impact You Don't Know You Have" & Granddaughter of JFK

Martin Keller

Director of National Renewable Energy Laboratory & President of Alliance for Sustainable Energy

Amy Harder

Climate Change Journalist & Executive Editor of Cipher by Breakthrough Energy

Xiuhtezcatl Martinez

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

Donna Haraway

Distinguished Professor Emerita in the History of Consciousness Department and Feminist Studies Department at the University of California, Santa Cruz

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

Jeff Orlowski-Yang

Award-winning Filmmaker, Photographer, Entrepreneur & Climate Change Activist

Christiana Figueres

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

Wang Tao

Resident scholar in the Energy and Climate Program based at the Carnegie-Tsinghua Center for Global Policy

Jonathan Trent

Former Director of Offshore Membrane Enclosures for Growing Algae; Founder of UpCycle Systems