Dan Pallotta

Founder & President of Advertising for Humanity and the Charity Defense Council; Author of "Uncharitable" and "Charity Case"

Steven Levitt

Economist, NY Times Bestselling Author of "Freakonomics," "SuperFreakonomics" & "Think Like a Freak"

Henry Winkler

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

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

April Ryan

White House Correspondent, MSNBC Political Analyst, D.C. Bureau Chief for TheGrio & Author

Daphne Oz

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

Richard Blais

Chef, Culinary Designer & Winner of Bravo's "Top Chef All Stars"

Nia Long

NAACP Image Award-Winning Television & Film Actress, Philanthropist

Dan Harris

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

Carol Leifer

Award-Winning Writer, Author, Actress & Standup Comedian

David Zinczenko

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

Jay Pharoah

Actor, Stand-Up Comedian & Impressionist; Former Saturday Night Live Cast Member

Will Packer

Award-Winning Producer Known for "Think Like A Man" & "Straight Outta Compton"; Founder of Will Packer Productions

Aasif Mandvi

Comedic Actor & Former Correspondent for "The Daily Show"

Archie Manning

Former NFL Great & Ambassador of Goodwill

Bob Goff

Founder of Love Does; New York Times Bestselling Author

Jennifer Arnold

Co-Star of TLC’s "Little Couple," Neonatologist, Cancer Survivor & Author of "Life is Short"

John Ratzenberger

Emmy-Nominated Actor, Entrepreneur & Philanthropist

Dennis Prager

Host of the Dennis Prager Radio Show, Co-Founder of Prager University, NY Times Bestselling Author & Columnist

Professor Richard Dawkins

Evolutionary Biologist & Best-Selling Author

Richard Dawkins & Lawrence Krauss ...