Amy Robach

Co-Host of "Amy & T.J. Podcast"; Former Co-Host of "20/20" & Former ABC News Correspondent for "Good Morning America;" Breast Cancer Survivor

Daphne Oz

Emmy Award-winning Television Host, New York Times Bestselling Author, Chef & Entrepreneur

David Zinczenko

Founder & CEO of Galvanized; Former Vice President of Men's Health, Women's Health & Prevention; Retired Nutrition & Wellness Editor at ABC News

Diane Guerrero

Immigration Reform Activist & Actress Known for "Orange is the New Black" & "Jane The Virgin"

Dr. Michio Kaku

World-Renowned Futurist & Theoretical Physicist

Jeremy Heimans

Co-Founder & Chairman of Purpose; Best-Selling Author; Lifelong Activist & World-Renowned Expert on Building Social Movements

Joan Lunden

Award-Winning Journalist, Best-Selling Author, Health & Wellness Advocate

Marcus Samuelsson

James Beard Award-Winning Chef & Owner of the Red Rooster Restaurant

Monica Lewinsky

Producer, Social Activist, Contributing Editor to Vanity Fair, Expert on Cyberbullying, Women's Issues & Reinvention

Monica Lewinsky Suits Up for Reformation's New Power Voting Campaign

Montel Williams

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

Nev Schulman

Producer, Actor, Photographer & TV Host Known for MTV's "Catfish: The TV Show"

Phil Donahue

Creator and Host of "Donahue," the Long-Running Talk Show

Reshma Saujani

Lawyer, Politician, Founder of Girls Who Code & Marshall Plan for Moms