Rick Giliam

1964 Great Alaska Earthquake Survivor & Realtor

Garrett Reisman

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

John Holdren

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

Dianne Newman

Microbiologist; Newman Lab at the California Institute of Technology

Stuart Cowan

Chief Scientist, Smart Cities Council and Partner, Autopoiesis LLC

Nancy Rabalais

Marine Ecologist

Jan Zalasiewicz

Polish Geologist, Lecturer in Geology at the University of Leicester

Boyan Slat

Inventor, Entrepreneur & Founder of The Ocean Cleanup

Monica Grady

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

Peter Cattermole

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

Ben Goertzel

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

Peggy Whitson

NASA Astronaut; NASA's Most Experienced Female Astronaut; Biochemistry Researcher

Nalini Nadkarni

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

Bernadette Woods Placky

Emmy Award Winning Meteorologist & Director of Climate Central's Climate Matters Program

Live from #COP27: Katharine Hayhoe & Bernadette Woods Placky ...

Peter Kalmus

Climate Scientist & Author

Peter Kalmus' emotional speech about CLIMATE CHANGE and ...

Samuel Ramsey

Entomologist; Science Communicator; Founder & Director of the Ramsey Research Foundation

Why are so many people scared of bugs?

Elizabeth Blackburn

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

Corinne Le Quéré

Royal Society Research Professor of Climate Change Science at the University of East Anglia & former Director of Tyndall Centre for Climate Change Research

Corinne Le Quéré: Using land in the context of a changing climate

Sarah Redmond

Organic Seaweed Farmer & Entrepreneur

Anjali Tripathi

Planet Formation and Evolution Researcher at Harvard-Smithsonian Center for Astrophysics