Garrett Reisman

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

Peggy Whitson

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

Peggy Whitson, American with most time in space, set to return to ...

Boyan Slat

Inventor, Entrepreneur & Founder of The Ocean Cleanup

Scott W. Tinker

Director of the Bureau of Economic Geology; State Geologist of Texas; Geosciences Professor at The University of Texas at Austin

Christine Clayburg

CEO of Radial Pictures

Perilous Planet

John Holdren

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

Karen Lloyd

Marine Microbiologist

Monica Grady

British Space Scientist; Professor of Planetary and Space Science at the Open University; Chancellor of Liverpool Hope University

Ben Goertzel

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

Dr. Judith Curry

President & Co-Founder of Climate Forecast Applications Network

Karimah Hudda

Regenerative Leadership & Founder & Chief Catalyst at illumine earth

Building an Ecosystem of Regenerative Leadership with Karimah Hudda

Rick Giliam

1964 Great Alaska Earthquake Survivor & Realtor

Peter Cattermole

Former Principal Investigator with NASA's Planetary Geology and Physics Program, Specialising on the Study of Volcanoes on Mars and Venus

Marcia McNutt

President of The National Academy of Sciences; Former Editor-in-Chief of Science journals, AAAS, and Director, USGS

Marcia McNutt - Berkeley Lab

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

Lujendra Ojha

Discovered Evidence of Water on Mars, Blaustein Scholar at Johns Hopkins University Earth and Planetary Science Dept

Elizabeth Blackburn

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

Danny Dorling

Social Geographer, Professor at the University of Oxford

Nalini Nadkarni

Ecologist, Director of STEM Ambassador Program & Leading Expert in Canopy Research

Jan Zalasiewicz

Polish Geologist, Lecturer in Geology at the University of Leicester