Ray Kurzweil

Chairman of Kurzweil Technologies, Inventor & Futurist; Author of "How to Create a Mind"

Ben Stein

Political Economist, Commentator, Author & Actor

Montel Williams

Emmy Award-Winning Talk Show Host; Multiple Sclerosis Survivor; Health Equity & Veteran Advocate

John Legend

EGOT Winning Musician, Producer & Philantropist

Marissa Mayer

Co-Founder and CEO of Sunshine; Former President & CEO of Yahoo!

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

Dan Ariely

Behavioral Economist; Professor at Duke University; Author; Founding Member of The Center for Advanced Hindsight

Sir Richard Branson

Businessman & Founder of Virgin Group

Richard Dreyfuss

Academy Award-Winning Actor

Jimmy Wales

Founder of Wikipedia & Wikitribune

Aasif Mandvi

Comedic Actor & Former Correspondent for "The Daily Show"

Kirk Cameron

Actor Best Known for "Growing Pains," "Left Behind" & "Fireproof;" Advocate for Christianity & Gospel-Centered Marriage

Rainn Wilson

Actor Known for "The Office" & Creator of SoulPancake

Soul Boom: Why We Need a Spiritual Revolution

Gabby Douglas

First African-American to Win Olympic Gold Medal for Gymnastics; Author of New York Times Bestseller "Grace, Gold & Glory: My Leap of Faith"

Gloria Steinem

Feminist Writer, Activist & Organizer; Co-Founder of New York Magazine & Ms. Magazine

Marshall Goldsmith

Executive Educator & Coach; Best-Selling Author of "What Got You Here Won’t Get You There"

Tracee Ellis Ross

Actress, Producer; Chief Executive Officer at PATTERN

Iyanla Vanzant

New York Times Best-Selling Author, Spiritual Life Coach & Host of "Iyanla Fix My Life"

Goldie Hawn

Academy Award-Winning Actress & Founder of the Hawn Foundation