Jacqueline Novogratz

Founder & CEO of Acumen Fund

Jeremy Rifkin

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

Mayim Bialik

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

Parag Khanna

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

Tim Sanders

Bestselling Author, Technology Pioneer, Expert on Collaboration & Relationships

Joseph Stiglitz

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

Blake Mycoskie

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

Robert Ballard

Renowned Ocean Explorer & Scientist

Doc Hendley

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

Jessica Alba

Actress; Entrepreneur; Founder & CEO of The Honest Company

Dambisa Moyo

Global Economist, Author & Investor in the Future

Neal Petersen

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

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Ray Zahab

Ultra-marathon Runner and Adventurer; Host, "The Project"; Author of "Running for My Life"

Arnold Schwarzenegger

Actor, Producer, Director, Writer; California’s 38th Governor; Host of "Celebrity Apprentice"

John Izzo, PhD

Leadership Expert & Bestselling Author

Matthew Bishop

Nonresident Senior Fellow of Global Economy and Development at the Center for Sustainable Development

Andy Serwer

Managing Editor, Fortune Magazine

Pranav Mistry

Computer Scientist & Inventor

Amy Myers Jaffe

Leading Expert on Global Energy Policy & Sustainability

Amy Myers Jaffe: TEDx Energy Policy