Angélique Kidjo

UNICEF Goodwill Ambassador, Singer & Songwriter

Shaun Tomson

Former World Champion Surfer, Environmentalist & Motivational Speaker

Denis Hayes

Organizer of the First Earth Day; CEO of The Bullitt Foundation

Joan Baez

Legendary Folk Musician & Human Rights Activist

Ben Goertzel

Cross-Disciplinary Scientist, Entrepreneur & Author on Artificial General Intelligence

Robert Zubrin

Aerospace Engineer, Founder of Pioneer Astronautics & Bestselling Author of “The Case for Nukes: How to Beat Global Warming and Create a Free, Open, and Magnificent Future"

Hazel O'Leary

Former Secretary of Energy

Heather Wilson

U.S. Secretary of the Air Force

Cristina Mittermeier

Photographer, Adventurer & Co-Founder of SeaLegacy

Anirban Basu

Economic & Policy Expert & CEO of Sage Policy Group in Maryland

Chuck Gallagher

COO of American Funeral Financial and President of the Ethics Resource Group

Angel Hsu

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

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

Neeshad Shafi

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

Reg Lenney

Multi Award-Winning Vital Coach & Author

Vicki Arroyo

Environmental Policy Influencer

Ashley Zumwalt-Forbes

Co-Founder of Black Mountain Metals

Amy Harder

Climate Change Journalist & Executive Editor of Cipher by Breakthrough Energy

Geisha Williams

Former CEO & President at PG&E Corporation; Member Board Of Directors at Siemens Energy, Artera Services & Osmose Utility Services

Florence Eid-Oakden

CEO & Chief Economist of Arabia Monitor