Mark Z. Jacobson

Director of the Atmosphere/Energy Program & Professor of Civil and Environmental Engineering at Stanford University

Ginger Zee

Chief Meteorologist for ABC News, Author & Mental Health Advocate

John Holdren

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

Peggy Whitson

Director at Axiom Space; NASA's Most Experienced Female Astronaut; Biochemistry Researcher

Nathalie Miebach

The Intersection of Art and Science

Nalini Nadkarni

Ecologist, Leading Expert in Canopy Research & Advocate for STEM Education; Professor of Biology at the University of Utah

James E. Hansen

Adjunct Professor Directing the Program on Climate Science, Awareness and Solutions of the Earth Institute at Columbia University; Former Director at NASA Goddard Institute for Space Studies

Ben Goertzel

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

Boyan Slat

Inventor, Entrepreneur & Founder of The Ocean Cleanup

Heidi Cullen

Communications Director for Monterrey Bay Aquarium Research Institute; Climate Scientist

Elizabeth Blackburn

Noble Prize Winner & Former First Female President of The Salk Institute for Biological Studies

Bruno Sánchez-Andrade Nuño

PhD, Data Scientist at World Bank Group, Young Global Leader

Holly Bailey

National Correspondent for Yahoo News; Former Newsweek White House Correspondent; Author of "The Mercy of the Sky"

Janice Dean

Senior Meteorologist, Co-Host & Weather Anchor on "Fox & Friends" & Multiple Sclerosis Survivor

Janice Dean - FOX Weather First

Garrett Reisman

Astronaut, Professor of Astronautical Engineering at USC & Senior Advisor at SpaceX

Samuel Ramsey

Assistant Professor of Entomology at University of Colorado Boulder; Science Communicator; Founder & Director of the Ramsey Research Foundation

Dr. Samuel Ramsey - USDA- ARS

Bruce Bekkar, MD

Women’s Health Physician, Climate Activist, Speaker & Author

Gaia Vince

Award-Winning Science Writer; Environmental Journalist, Anthropocene Researcher & Broadcaster

Climate Migration and the Nomad Century with Gaia Vince

Sarah Redmond

Organic Seaweed Farmer & Entrepreneur

Raha Hakimdavar

Space & Environment Strategist, Earth Scientist & Founder & CEO of Zyon Space, a Climate-Tech Startup; Senior Advisor, Water, Climate, & Innovation at Georgetown University in Qatar