Ronda Rousey

Former UFC Champion & WWE Wrestler; Olympic Medalist; Actor & Author

Our Fight: A Memoir

Ashley Judd

Actress, Activist & Humanitarian

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

Patrick Kennedy

Former Congressman (D-RI); Founder of The Kennedy Forum; Co-Founder of One Mind

Profiles in Mental Health Courage

Shawn Achor

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

Montel Williams

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

Herschel Walker

Former NFL Running Back, 1982 Heisman Trophy Winner & Mental Health Awareness Advocate

Vanilla Ice

Hip Hop Artist & Rapper, Suicide Survivor, Host of DIY Network's "The Vanilla Ice Project"

Maysoon Zayid

Palestinian-American Actress, Writer, Comedian, Disability & Anti-Cyber Bullying Advocate

Jenn Lim

CEO, Founder, Best-Selling Author & Global Workplace Expert

Charlene Li

Expert on Social Media & Marketing; Author of Bestselling Books "Groundswell" & "Open Leadership"

Greg Louganis

4x Olympic Gold Medal Diver; LGBTQ Activist & Author

Dan Harris

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

Dr. Joel Selanikio

Award-Winning Physician, Health & Technology Activist, CEO of Magpi & Founding Member of WHO’s Digital Health Roster of Experts

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

Mark Ballas

Dancing with the Stars Champion & Mental Health Activist

David Zinczenko

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

Chade Meng Tan

Chief Happiness Officer, Google; Award-winning Entrepreneur and NYC Best-Selling Author

Dr. Lisa Masterson

OB/GYN, Mom, Philanthropist & Author; Known as Co-Host of "The Doctors"

David Williams

Professor of Public Health at Harvard University