Mayim Bialik

Neuroscientist, Mental Health Advocate & Actress Known for "The Big Bang Theory"

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Neal Petersen

History-Making Extreme Adventurer, Award-Winning Author & Global Investor

Joseph Stiglitz

American Economist, Professor at Columbia University & Nobel Memorial Prize in Economic Sciences 2001

Jeremy Rifkin

Leading Global Technologist, Futurist, Authority on World Economic & Environmental Trends

Dambisa Moyo

Global Economist, Author & Investor in the Future

Parag Khanna

Managing Partner at FutureMap; Strategic Advisor to Governments & Global Companies; Bestselling Author; TED Speaker

Deepak Chopra

Co-Founder of The Chopra Center for Wellbeing

Doc Hendley

Global Humanitarian, Clean Water Crusader, Top 10 CNN Hero, Sustainability Advocate

Robert Ballard

Renowned Ocean Explorer & Scientist

Jacqueline Novogratz

Founder & CEO of Acumen Fund

Tim Sanders

Bestselling Author, Technology Pioneer, Expert on Collaboration & Relationships

Jessica Alba

Actress; Entrepreneur; Founder & CEO of The Honest Company

Blake Mycoskie

Founder of TOMS, Social Entrepreneur & Author of NY Times Bestseller "Start Something That Matters"

Amy Myers Jaffe

Leading Expert on Global Energy Policy & Sustainability

Gary White

CEO & Co-Founder of WaterEquity & Water.org with Matt Damon

Sebastian Copeland

Adventurer, Environmental Activist, Award-Winning Photographer, Author, Lecturer & Founder of the Sedna Foundation

John Izzo, PhD

Leadership Expert & Bestselling Author

Olivia Munn

Television & Film Actress; Known for "Newsroom" & "X-Men: Apocalypse"

Olivia Munn on Jon Stewart | 2022 Mark Twain Prize

Alyssa Milano

Actress, Author, Philanthropist & Founder of Touch by Alyssa Milano; Known for "Charmed" and "Who's the Boss"