Abby Wambach

6-Time U.S. Soccer Athlete of the Year; Two-Time Olympic Gold Medalist & FIFA Women's World Cup Champion; Pay Equity & LGBTQ Rights Activist

Amandla Stenberg

Actor, Singer & Activist Known for "The Hate U Give," "The Hunger Games" & "Everything, Everything"

Amy Schumer

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

Amy Schumer Opens up About Her Hair-Pulling Disorder

Anant Agarwal

CEO of edX & Professor at MIT

Andre Agassi

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

Andy Grammer

Platinum-Selling Singer-Songwriter Known for "Honey, I'm Good" & "Fine By Me"

Anne Wojcicki

Co-Founder & CEO of 23andMe

Arnold Schwarzenegger

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

Ashton Kutcher

Actor, Producer, Investor & Activist

Aziz Ansari

Actor, Stand-up Comedian, and Star of "Master of None"

Ben McKenzie

Actor; Known for his role on "The OC," "Southland" and "Gotham"

Bill Maher

Political Satirist & Host of HBO's "Real Time"

Billie Jean King

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

Biz Stone

Co-Founder of Twitter

Blake Lively

Actress and Founder of Preserve

Bobby Flay

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

Bret Michaels

Singer-Songwriter, Musician & Reality Television Personality

Bruno Mars

Grammy Award-winning Singer-Songwriter & Record Producer

Chase Rice

Country Singer-Songwriter

Chelsea Handler

Comedian, TV Personality & Author