Alice Walker

Pulitzer Prize & National Book Award-Winning Author; Best Known for "The Color Purple"

Tim O'Reilly

Founder & CEO of O'Reilly Media

John P. Kotter

Leadership & Change Management Guru

Peter Dinklage

Emmy Award-Winning Actor, Known for his Role on "Game of Thrones"

Rachel Simmons

Internationally Recognized Educator & Best-Selling Author

Blaise Agüera y Arcas

Leading AI Researcher, Works on Machine Intelligence at Google; Former Architect of Bing Maps and Bing Mobile

Ubi Sunt

Tyra Banks

Host & Executive Producer, "Dancing With the Stars"; Model, TV Personality, Host of "America's Next Top Model"

Kristen Johnston

Emmy Award Winning Actress; Best Known for "3rd Rock From The Sun"

Alonzo Mourning

Naismith Memorial Basketball Hall of Fame Inductee; Co-Founder of Mourning Family Foundation

Clay Aiken

Singer-Songwriter, Runner Up on FOX's "American Idol" & North Carolina Politician

Tori Kelly

Singer-Songwriter; Known for the Single "Dear No One"

Tal Ben-Shahar

Best-Selling Author & Positive Psychology Expert

Timothy Shriver

Chairman & CEO of the Special Olympics

Eva Mendes

Actress; Six-Time ALMA Award Nominee; International Spokeswoman for Revlon Cosmetics

Bella Thorne

Model, Actress & Author

Noel Tichy

Professor, University of Michigan; Director of the Global Business Partnership; Former Head of GE's Leadership Center

Travis Bradberry

Expert on Emotional Intelligence & Co-Founder of TalentSmart

Catherine McCord

Founder, Weelicious.com

Jim Kouzes

Leadership Expert & Bestselling Co-Author of The Leadership Challenge

Carey Lohrenz

First Female F-14 Fighter Pilot in the U.S. Navy, Team-Building, Leadership & Strategy Expert