Malala Yousafzai

Youngest-Ever Nobel Prize Winner; Advocate for Girls' Education & Women's Equality; Author of the International Bestseller "I Am Malala"

Deepak Chopra

Co-Founder of The Chopra Center for Wellbeing

Issa Rae

Actress, Writer, Director & Producer Known for HBO's "Insecure" & "Awkward Black Girl"

Nina Dobrev

Canadian Actress & Model; Best Known for "The Vampire Diaries" and "Degrassi"

Olivia Holt

Actress & Singer

Brittany Snow

Actress, Producer, Director, Singer & Co-Founder of Love Is Louder

Demi Lovato

Grammy Nominated Singer-Songwriter, Musician, Philanthropist & Mental Health Advocate

Ross Mathews

Host of Hello Ross! & Author of "Man Up: Tales of My Delusional Self-Confidence"

John Cena

WWE Professional Wrestler, Bodybuilder, and Actor Known for "Trainwreck"

Arnold Schwarzenegger

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

Anne Wojcicki

Co-Founder & CEO of 23andMe

Greg Gutfeld

Political Satirist Known for "The Greg Gutfeld Show" & "The Five."

Gabrielle Union

Actress, Voice Artist, Activist, Author & Investor

Amy Schumer

Award-Winning Actress & Comedian; Author of "The Girl with the Lower Back Tattoo;" Feminist Advocate

Amy Schumer diagnosed with rare health disorder: ‘Something was wrong’

Joseph Gordon-Levitt

Founder of HitRecord & Actor Known for "Inception" & "The Dark Knight Rises"

Lily Tomlin

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

Marlo Thomas

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

Stephen A. Smith

Sports Journalist, Analyst & Talk Show Host Known for "First Take"

Brooke Shields

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

Howard Schultz

Executive Chairman & Former CEO of Starbucks; Former Owner of the Seattle SuperSonics