Dr. Michio Kaku

World-Renowned Futurist & Theoretical Physicist

Nev Schulman

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

Montel Williams

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

Alexa von Tobel

Founder & CEO of Learnvest.com; New York Times Bestseller Author of "Financially Fearless"

Joan Lunden

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

Daphne Oz

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

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

Tim Gunn

Fashion Icon, Former Co-Host & Mentor of "Project Runway"

Charles Duhigg

Pulitzer Prize-Winning Journalist & Bestselling Author of "The Power of Habit"

Supercommunicators: How to Unlock the Secret Language of Connection

Tony Schwartz

Founder & CEO of The Energy Project

Danny Meyer

Founder of Shake Shack; Leadership Speaker & Employee Wellness Advocate

Diane Guerrero

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

Camryn Manheim

Actress; Human Rights Activist; Writer & Producer

David Zinczenko

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

Phil Donahue

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