Khalil Gibran Muhammad

Professor of History, Race & Public Policy at Harvard Kennedy School; Author of "The Condemnation of Blackness"

Noa Tishby

Israeli Actress, Writer, Producer & Activist

Neil Gershenfeld

Director of MIT’s Center for Bits & Atoms

Gregory Boyle

Roman Catholic Priest of the Jesuit Order; Founder of Homeboy Industries

David Nico

Author, Health Strategist & Leadership Well-Being Expert

Nico sample clip

Deborah Berebichez

Data Scientist & Pioneer in Wireless Communications Technology; Founder & CEO of Solve For You

Laura Carstensen

Stanford University, Professor of Psychology & Public Policy; Expert on Longevity & Aging

Carey Lohrenz

First Female F-14 Fighter Pilot in the U.S. Navy, Team-Building, Leadership & Strategy Expert

Margaret Wheatley

Co-Founder & President of The Berkana Institute; Bestselling Author, Organizational Consultant, & Community Worker

Danny Glover

Acclaimed Actor, Producer & Leading Social Activist

Christopher Gavigan

Founder & Chief Product Officer, The Honest Company

Philippe Cousteau

Explorer, Social Entrepreneur & Environmental Advocate; Grandson of Captain Jacques-Yves Cousteau

Michael Steele

Conservative Political Commentator & Former Republican Party Politician

Gil Friend

President & Chief Executive Officer of Natural Logic

Bill Walton

Basketball Legend, Executive Chairman of Connect SD Sport Innovators (SDSI)

David Suzuki

Environmentalist & Scientist; Co-Founder of the David Suzuki Foundation

Rachel Simmons

Internationally Recognized Educator & Best-Selling Author

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

Bjorn Lomborg

Political Scientist & Author of "The Skeptical Environmentalist"

Peter Hirshberg

Pioneering Entrepreneur and Voice on Disruptive Culture and Technology; Chairman of the Re:imagine Group

Juan Williams

New York Times Best-Selling Author, Fox News Political Analyst, Co-Host of "The Five" & Award-Winning Columnist

Ben Goldacre

Physician; Best-Selling Academic & Science Writer

John Zogby

Trendspotter & Leading Pollster

General Wesley Clark

Retired Four-Star Army General & Former NATO Supreme Allied Commander

Rudolph E. Tanzi

Alzheimer's Disease Researcher; Expert on the Genetics of Neurological Disease; Professor of Neurology at Harvard Medical School

Blaise Agüera y Arcas

Leading AI Researcher, Works on Machine Intelligence at Google; Former Architect of Bing Maps and Bing Mobile

Ubi Sunt

Amy Gutmann

United States Ambassador to Germany; Former President of UPenn

Ryan Nerz

TV’s First Chief Cannabis Correspondent; Author of "MARIJUANAMERICA"

John Ondrasik

Singer-Songwriter and Front Man of "Five For Fighting"; Philanthropist and Family Man

Graham Hill

Founder of Life Edited & TreeHugger.com