Michael Shellenberger

Founder & President of Environmental Progress; Expert on Energy, Climate, Security, Human Development & Politics

Chad Pregracke

Founder of Living Lands & Waters, CNN's Hero of the Year for 2013, Environmental Speaker & Bestselling Author

Mark Ruffalo

Golden Globe-Winning Actor, Director, Screenwriter & Environmental Activist

Shirley Ann Jackson

Theoretical Physicist & Inventor; President of the Rensselaer Polytechnic Institute; National Medal of Science Recipient

Louie Psihoyos

Photographer & Documentary Film Director Known for the Academy Award-Winning Documentary "The Cove"

Christiana Figueres

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

Becky McCray

Small-Town Entrepreneur, Cattle Rancher & Co-Founder of SaveYour.Town

Peggy Whitson

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

Katie Spotz

World Record-Breaking Endurance Athlete & Safe Water Activist; Author, "Just Keep Rowing"

Barbara Boxer

Environment & Education Advocate; Former Democratic Senator of California

Olympia LePoint

Former NASA Rocket Scientist, AI Author, TED Speaker & Artificial Intelligence Ethics Professor

Answers Unleashed IV: AI Literacy Handbook – How to Promote Safe and Ethical AI

Dava Newman

Aerospace Pioneer; Professor of Aeronautics & Astronautics at MIT; Director of MIT Media Lab

Dava Newman | Imagination In Action | Davos 2024 - YouTube

Dr. Monica F. Cox

Distinguished Professor of Engineering at The Ohio State University; Director of the International Institute of Engineering Education Assessment; CEO, STEMinent LLC & STEM Education Advocate

Hannah Fry

Complexity Theorist & Author of "The Mathematics of Love"

Pat Wood

CEO of the Hunt Energy Network; Former Chairman of the Federal Energy Regulatory Commission

Tara Ruttley

Chief Scientist at Blue Origin; Former NASA Scientist & Aquanaut

Megan Smith

Award-Winning Entrepreneur, Engineer & Tech Evangelist; Founder & CEO, shift7; Former U.S. Chief Technology Officer

Mark Tercek

Former President & CEO of The Nature Conservancy

Ron Pernick

Co-Founder & Managing Director of Clean Edge, Inc.

John Passacantando

Former Executive Director of Greenpeace USA