Dr. Carl Hart

Professor of Psychology & Chair of Department of Psychology at Columbia University

Tony Porter

Educator & Activist Internationally Recognized For His Effort To End Violence Against Women

Jeff Allen

Stand-up Christian Comedian; Marriage Motivator

Natasha Lyonne

Emmy Nominated Actress; Known for "American Pie," "Orange Is the New Black" & "Russian Doll"

Dan Harris

Award-Winning ABC News Anchor & #1 New York Times Best-Selling Author

Ashley Judd

Actress, Activist & Humanitarian

Claude Steele

Social Psychologist & Stereotype Expert

Josh Peck

Actor & Social Media Influencer

Coach Ken Carter

Coach, Author, Educator & Inspiration for the Film "Coach Carter"

David McCandless

Author of "Information Is Beautiful" & Infographics Expert

Ramona Pierson

Former Managing Director, Head of Product and Innovation at PwC

Henry Winkler

Actor, Producer, Director & Best-Selling Author; Best Known for "Happy Days"

Elizabeth Smart

Abduction Survivor, News Correspondent & Child Safety Activist

Rob Riggle

Actor, Comedian, Writer, Producer, Director & Former U.S. Marine

Laurie Holden

Actress Known For AMC's "The Walking Dead;" Human Rights Activist

Robert Wuhl

Actor, Comedian & Writer; Best Known for "Arli$$"

Jimmy Wayne

Country Music Artist, NY Times Best Selling Author & Founder of Meet Me Halfway Campaign

Ari Seth Cohen

Creator of Advanced Style

Daphne Koller

CEO & Founder of insitro

Digital Biology with insitro's Daphne Koller - YouTube

Maksim Chmerkovskiy

2x “Dancing with the Stars” Champion & Humanitarian