Erin Brockovich

Consumer Advocate, Author, TV Host & Environmental Activist

America Ferrera

Award-Winning Actress, Producer & Humanitarian

Simon Sinek

World-Renowned Leadership Expert & Best-Selling Author

Erin Gruwell

Founder & Executive Director of the Freedom Writers Foundation; Education Reform Advocate

Pearl Arredondo

Student Advocate, Education Reformer & Principal

Mayim Bialik

Neuroscientist, Mental Health Advocate & Actress Known for "The Big Bang Theory"

Geena Davis

Award-Winning Actress, Gender Equality Activist & Philanthropist

LeVar Burton

Literacy Advocate & Actor Known for "Roots," "Star Trek" & "Reading Rainbow"

Viola Davis

Academy Award-Winning Actress, Producer & New York Times Best-Selling Author

Viola Davis on Speaking Up, Challenging Stereotypes

DeVon Franklin

Award-Winning Producer, New York Times Bestselling Author & Motivational Speaker

Derek Hough

Dancer, NYT Bestselling Author, Emmy Award Winner for Outstanding Choreography & Six-Time Champion of ABC's "Dancing with the Stars"

Josh Radnor

Actor, Filmmaker, Author & Musician Best Known for his Role in "How I Met Your Mother"

Choosing Between Growth or Depth As A Man - Josh Radnor

Mindy Kaling

Emmy-Nominated Writer, Producer, New York Times Best-Selling Author, Director & Actor

Mindy Kaling Would Love to Be in the Next "Charlie's Angels" with Drew

Mark Ballas

Dancing with the Stars Champion & Mental Health Activist

Rainn Wilson

Actor Known for "The Office" & Creator of SoulPancake

Soul Boom: Why We Need a Spiritual Revolution

Laila Ali

Undefeated Four-Time World Champion Boxer & Lifestyle Expert; Heart Disease Awareness Advocate

Fabio Viviani

Celebrity Chef, Former "Top Chef" Contestant, Cookbook Author

Kal Penn

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

Devin Alexander

New York Times Bestselling Author, Celebrity Chef Known For "Biggest Loser"

Kerry Washington

Actress, Producer & Activist Known for Starring as Olivia Pope in ABC's "Scandal"