Jessica Alba

Actress; Entrepreneur; Founder & CEO of The Honest Company

Arnold Schwarzenegger

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

Olivia Munn

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

Olivia Munn on Jon Stewart | 2022 Mark Twain Prize

Mayim Bialik

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

Rachael Ray

Chef, Cookbook Author & Television Host Known for the "Rachael Ray Show"

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

Nash Grier

Social Media Guru, Digital Influencer & Environmental Activist

Lily Tomlin

Actress & Comedian; Star of Netflix's "Grace and Frankie"

Robert Cialdini

New York Times Best-Selling Author; The Foundational Expert in the Science of Influence & Persuasion

Gary White

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

Robert Johansen

Bob Johansen, Ph.D., has worked for more than 35 years as a ten-year forecaster.

William McDonough

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

Alice Waters

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

Pranav Mistry

Computer Scientist & Inventor

Jeremy Rifkin

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

Dr. William Li

Physician, Scientist & Bestselling Author of “Eat to Beat Disease: The New Science of How Your Body Can Heal Itself” and “Eat to Beat Your Diet: Burn Fat, Heal Your Metabolism, and Live Longer”

Alyssa Milano

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

Joe Scarborough and Mika Brzezinski

Hosts of "Morning Joe"

Jeff Orlowski-Yang

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

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate