Carla Hall

Co-Star of "Crazy Delicious;" Host of Discovery+'s "Foodways" & the "Say Yes!" Podcast

Shawn Achor

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

Ian Morrison

Healthcare Futurist and Author

Rita Moreno

Award-Winning Actress, Dancer, Singer; Health Advocate & New York Times Bestselling Author

Doug Lipp

Former Head of Training at Walt Disney University & Bestselling Author; International Keynote Speaker

Kimberly Bryant

Founder & CEO of Ascend Ventures & Black Innovation Lab; Founder of Black Girls CODE

Bob Goff

Founder of Love Does; New York Times Bestselling Author

Gabby Douglas

First African-American to Win Olympic Gold Medal for Gymnastics; Author of New York Times Bestseller "Grace, Gold & Glory: My Leap of Faith"

Tavis Smiley

Broadcaster, Author, Publisher, Advocate, and Philanthropist

Iyanla Vanzant

New York Times Best-Selling Author, Spiritual Life Coach & Host of "Iyanla Fix My Life"

Jay Pharoah

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

Kristen Kish

"Top Chef" Host & Season 10 Winner; Cookbook Author

John Ratzenberger

Emmy-Nominated Actor, Entrepreneur & Philanthropist

Kal Penn

Actor, Writer, Producer & Former Associate Director of the White House Office of Public Engagement

Archie Manning

Former NFL Great & Ambassador of Goodwill

Patch Adams

Physician & Clown; Founder of Gesundheit Institute; Inspiration for the Robin Williams Movie "Patch Adams"

Daphne Koller

CEO & Founder of insitro

Digital Biology with insitro's Daphne Koller - YouTube

Professor Richard Dawkins

Evolutionary Biologist & Best-Selling Author

Richard Dawkins & Lawrence Krauss ...

Dara Torres

12x Olympic Medalist, NYT Bestselling Author, Entrepreneur & Healthcare Reform Advocate

Herschel Walker

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