Mayim Bialik

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

Alice Waters

Executive Chef, Founder & Owner of Chez Panisse; Sustainable Agriculture Advocate

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

Parag Khanna

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

Patricia Arquette

Academy Award-Winning Actress, Activist, Humanitarian & Author

Tim Sanders

Bestselling Author, Technology Pioneer, Expert on Collaboration & Relationships

Jessica Alba

Actress; Entrepreneur; Founder & CEO of The Honest Company

Karen Tse

Human Rights Defender & Social Entrepreneur; Founder of International Bridges of Justice

Alicia Silverstone

Actress & Animal Rights Activist

Marco Tempest

Cyber-Illusionist

Bill Maher

Political Satirist & Host of HBO's "Real Time"

Gov. Ron DeSantis | Real Time with Bill Maher (HBO)

Amy Myers Jaffe

Leading Expert on Global Energy Policy & Sustainability

Amy Myers Jaffe: TEDx Energy Policy

Robert Bryce

Energy Expert, Veteran Journalist & Acclaimed Author

A Question of Power: Electricity and the Wealth of Nations

Ray Zahab

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

Vinod Khosla

Founder & Manager of Khosla Ventures; Founding CEO of Sun Microsystems

Ambassador Dennis Ross

Author, Counselor & William Davidson Distinguished Fellow at The Washington Institute; Former Special Assistant to President Obama

Nash Grier

Social Media Guru, Digital Influencer & Environmental Activist