Hill Harper

Best-Selling Author, Tech Entrepreneur, Investor, Philanthropist & Actor; Best Known For "CSI: NY" & "The Good Doctor"

Daymond John

"Shark Tank" Investor; Founder & CEO of FUBU; Presidential Ambassador for Global Entrepreneurship

Van Jones

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author

Dominique Dawes

Three-time Olympian, Olympic Gold Medalist, Healthy Lifestyle Advocate and Gymnastics Academy Owner

Chris Hardwick

Creator of Nerdist Podcast and Website, Stand up Comedian and Current Host of "The Walking Dead" after show, "Talking Dead"

Robin Givens

Actress, Author & Domestic Abuse Awareness Advocate

Richard Dreyfuss

Academy Award-Winning Actor

Jeff Hoffman

Serial Entrepreneur, Author & Producer

Adrian Grenier

Actor Known for HBO's "Entourage"; Environmental Activist; UN Ambassador

Derek Hough

Dancer, NYT Bestselling Author, Emmy Award Winner for Outstanding Choreography & Six-Time Champion of ABC's "Dancing with the Stars"

Brian Holloway

Five-Time NFL All-Pro; Motivation & Team Building Expert

Patricia Heaton

Emmy Award-Winning Actress Known for "Everybody Loves Raymond" & "The Middle"

Darrell Hammond

Comedian, Actor & Second Longest Running Cast Member of SNL

Marilu Henner

Actress, Producer & NY Times Bestselling Author

Bob Harper

Personal Trainer & Former Host of "The Biggest Loser;" Heart Attack Survivor

Maintaining A Healthy Body & Mind | Bob Harper Q&A

Adam Beach

Award-Winning Canadian Actor

Rick Bayless

Award-Winning Chef, Cookbook Author, & TV Personality Known for His Authentic Mexican Cuisine

Giancarlo Esposito

African-Italian American Actor, Director, Producer; Best Known for his Role as Gustavo "Gus" Fring on AMC's Breaking Bad

John Hodgman

Resident Expert on "The Daily Show with Trevor Noah", Author, Humorist

Star Jones

Former Co-Host of "The View", Social Justice & Heart Disease Advocate

Jennie Garth

Television Actress & Advocate for the American Heart Association

Zach Braff

Award-Winning Actor & Filmmaker Known for "Scrubs"

Zach Braff talks ‘A Good Person,’ Florence Pugh, 'Scrubs' reboot

Joy Bauer

Nutrition and Health Expert on NBC's "Today Show" & Founder of Nourish Snacks

Joy Behar

Comedian, Actress & Former Co-Host of "The View"

Kandi Burruss

Singer-Songwriter, Entrepreneur & Star of "The Real Housewives of Atlanta"

Helen Hunt

Academy & Emmy Award-Winning Actress Known for Her Roles in "As Good as It Gets" and "Mad About You"

Greg Gumbel

Emmy Award-Winning Sportscaster for CBS Sports

Ken Burns

Historian & Award-Winning Documentary Filmmaker

Michael Beschloss

Presidential Historian, New York Times Columnist & Best-Selling Author

Boomer Esiason

NFL Football Legend & Studio Analyst; Founder of the Boomer Esiason Foundation