Biz Stone

Co-Founder of Twitter

Mayim Bialik

Neuroscientist, Mental Health Advocate & Actress Known for "The Big Bang Theory"

Gabrielle Union

Actress, Voice Artist, Activist, Author & Investor

Hoda Kotb

Award-Winning Broadcast Journalist, Television Personality, Author & Co-Anchor of NBC News' TODAY

Laila Ali

Undefeated Four-Time World Champion Boxer & Lifestyle Expert; Heart Disease Awareness Advocate

Christy Turlington Burns

Model & Founder of Every Mother Counts; Anti-Smoking Activist

Richard Thaler

Professor of Behavioral Science and Economics at the University of Chicago; Author of "Misbehaving: The Making of Behavioral Economics"

Richard Thaler: 'We Are Incapable of Learning From the Past ...

Jesse Tyler Ferguson

Actor & LGBTQ Activist; Best-Known for “Modern Family”

Patrick Lencioni

Management Consultant, Founder & President of The Table Group

Overcoming the Five Dysfunctions of a Team

Michael J. Fox

Actor, Author and Advocate; Founder, The Michael J. Fox Foundation for Parkinson’s Research

Michael J. Fox on latest Parkinson's research and how he's ...

Rosie Perez

Actress, Choreographer, Activist & Former Co-Host of "The View"

Eva Longoria

Award-Winning Actress, Producer, Director, Activist, Philanthropist & Designer

Jessica Alba

Actress; Entrepreneur; Founder & CEO of The Honest Company

Laverne Cox

Award-Winning Transgender Actress, Producer & Equal Rights Advocate

Jason Alexander

Actor, Writer & Director; Best Known for His Work on "Seinfeld"

Candace Cameron Bure

Women & Youth Speaker Best Known for Her Role on "Full House" & "Fuller House"; Former Co-Star on "The View"

Anne Wojcicki

Co-Founder & CEO of 23andMe

Lily Tomlin

Actress & Comedian; Star of Netflix's "Grace and Frankie"

Billie Jean King

Former World #1 Professional Tennis Player & Sports Icon; Advocate for Women's Equality

Arnold Schwarzenegger

Actor, Producer, Director, Writer; California’s 38th Governor; Host of "Celebrity Apprentice"

Tim Ferriss

Angel Investor & Author of "The 4-Hour Workweek"

Andre Agassi

Retired World No. 1 Tennis Player & International Tennis Hall of Famer; Olympic Gold Medalist, Entrepreneur & Philanthropist

Deepak Chopra

Co-Founder of The Chopra Center for Wellbeing

Brooke Shields

Actress; Model; Women's Health, Aging & Mental Wellness Advocate

Bobby Flay

Chef & Host of "Throwdown With Bobby Flay" and "America's Next Great Restaurant"

Cynthia Nixon

Actress Known for her Role as Miranda Hobbes on HBO's "Sex and the City"; Former Candidate for Governor of New York

Sheryl Lee Ralph

Actress, Broadway Singer & Producer; Known for "Abbott Elementary"

Marlo Thomas

Emmy Award-Winning Actress, Social Activist & Presidential Medal of Freedom Recipient

Susan Sarandon

Academy-Winning Actress & Activist

Jay Leno

Emmy Award-Winning TV Late Night Show Host, Stand-Up Comedian & Best-Selling Author