Montel Williams

Emmy Award-Winning Talk Show Host Best Known For "The Montel Williams Show", Multiple Sclerosis Activist

Montel Williams Talks About His Stroke, Life in the Military & More

Shannon Miller

Olympic Gold Medalist, Health Advocate & Cancer Survivor

Lisa Leslie

WNBA Champion, Olympic Gold Medalist & Author of "Don't Let the Lipstick Fool You;" Coach of Ice-Cube's BIG3 Basketball League

Diane Guerrero

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

Ben Stein

Political Economist, Commentator, Author & Actor

Sheryl WuDunn

Pulitzer Prize-Winning Journalist; Co-author of Half the Sky; Humanitarian

David Agus

Professor of Medicine and Engineering at the University of Southern California, Co-Founder of Navigenics & Author of "The End of Illness"

Adora Svitak

Author, Speaker, Youth Advocate & Child Welfare Professional

Adora Svitak on positive social change | Safer Internet Day - YouTube

Randy Fenoli

Fashion Designer & Bridal Consultant; Star of TLC's "Say Yes To The Dress"

Jeff Jarvis

Leader in the Development of Online News & Blogging; Director of the Tow-Knight Center for Entrepreneurial Journalism at CUNY

Greg Louganis

4x Olympic Gold Medal Diver, LGBT Activist & Author

Dr. Michio Kaku

World-Renowned Futurist & Theoretical Physicist

Is AI a species-level threat to humanity? | Big Think

Joan Lunden

Award-Winning Journalist, Bestselling Author & Health and Wellness Advocate

Shawn Achor

Harvard Professor, Researcher & Positive Psychology Expert; Author of "The Happiness Advantage" and "Big Potential"

Shawn Achor on happiness as a competitive advantage

Howard Putnam

Former CEO of Southwest Airlines

Mike Abrashoff

Former Commander of USS Benfold & Author of "It's Your Ship"

Vince Papale

Former NFL Player & Inspiration for the Movie "Invincible"

Jon Steinberg

Founder & CEO of Cheddar; Former President and COO of Buzzfeed; Former CEO of Daily Mail.com in North America

Peter Guber

Executive, Entrepreneur & #1 NYT Bestselling Author, Operating Owner of the 3-Time NBA Champion Golden State Warriors

David Pogue

Host of NOVA ScienceNow & Yahoo Tech Columnist