John Holdren

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

Dr. Sylvia Hood Washington

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

Ryan Panchadsaram

Advisor at Kleiner Perkins; Former U.S. Deputy Chief Technology Officer for the White House; Co-Author of Speed & Scale

Van Jones

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

Daniel Esty

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

Gabriel Kra

Managing Director & Co-Founder of Prelude Ventures; Investor, Scientist & Activist

Andrew Behar

CEO of As You Sow

Benjamin Strauss

Chief Scientist, President & CEO of Climate Central

Robyn O’Brien

TEDx Speaker, Food Industry Advisor, Former Financial Analyst & Author of "The Unhealthy Truth"

Bob Kopp

Climate Scientist, Geobiologist & Climate Policy Scholar at Rutgers University

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

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

Christiana Figueres

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

Leonardo DiCaprio

Award-Winning Actor & Environmentalist

Sally Jewell

Former 51st Secretary of the U.S. Department of the Interior

Tim Jackson

Ecological Economist, Playwright & Director of the Centre for the Understanding of Sustainable Prosperity

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Andrew Winston

Sustainability Expert; Author of "Green to Gold" & Co-author of “Net Positive"

Ashley Judd

Actress, Activist & Humanitarian

Ian Bowles

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

Agam Pandit

Director of Operations and Managing Partner at ADC Energy, Inc., Entrepreneur & Philanthropist

Thimali Kodikara

Climate Storyteller; Host of "Mothers Of Invention" Podcast

Solomon Goldstein-Rose

Climate Change Activist, Former Youngest MA Legislator & Author of "The 100% Solution"

Kehkashan Basu

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

Catherine Coleman Flowers

Climate Justice Activist; Founding Director of the Center for Rural Enterprise and Environmental Justice

Catherine Coleman Flowers - Climate Business Innovation Summit

Marcelo Mena Carrasco

Former Environment Minister of Chile

Paul Simpson

Thought Leader on Climate Change & Chief Executive Officer of CDP

Angelicque White

Biological Oceanographer

Jamie Margolin

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

Dr. Douglas Vakoch

Founder & President of METI—Messaging Extraterrestrial Intelligence