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

Jeff Orlowski-Yang

Award-winning Filmmaker, Photographer, Entrepreneur & Climate Change Activist

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

Patricia Arquette

Academy Award-Winning Actress, Activist, Humanitarian & Author

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"

Marco Tempest

Cyber-Illusionist

Karen Tse

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

Alicia Silverstone

Actress & Animal Rights Activist

Bill Maher

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

Amy Myers Jaffe

Leading Expert on Global Energy Policy & Sustainability

Gary White

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

Robert Bryce

Energy Expert, Veteran Journalist & Acclaimed Author

Ray Zahab

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

William McDonough

Renowned Architectural Designer, Advisor & Co-Author of "Cradle to Cradle + The Upcycle"

Sebastian Copeland

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

Lawrence Summers

Professor & Former President of Harvard University; Former Secretary of the Treasury, Director of the National Economic Council, & Chief Economist of the World Bank

Roger Martin

Management Thinker, Author, Strategist & Advisor

A Plan Is Not a Strategy - YouTube

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