Les Brown

Motivator, TV Personality & Best-Selling Author

Ruby Bridges

Civil Rights Activist & First African-American Child to Integrate a White Southern Elementary School

Nick Bostrom

Professor at Oxford University, Director of the Future of Humanity Institute & Strategic Artificial Intelligence Research Center

Andre Agassi

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

Andy Roddick

Tennis Commentator & Former Co-Host of Fox Sports Live; Retired World No. 1 Tennis Player & International Tennis Hall of Famer

KRS-One

Rapper, Author & Activist

The Gospel of Hip Hop: The First Instrument

Jenna Bush-Hager

Best-selling Author; Contributing Correspondent, NBC's Today; Chair, UNICEF's Next Generation and Editor-at-Large, Southern Living Magazine

Superpower Sisterhood with Jenna Bush Hager and Barbara Pierce ...

Jeremy Rifkin

Leading Global Technologist, Futurist, Authority on World Economic & Environmental Trends

William Easterly

Professor of Economics at New York University; Co-Director, Development Research Institute

Ziauddin Yousafzai

Co-Founder of the Malala Fund

Arne Duncan

Managing Partner at Emerson Collective; Former U.S. Secretary of Education

Dolly Parton

Country Singer-Songwriter, Actress, Author & Philanthropist

Paul LeBlanc

President of Southern New Hampshire University

Dionne Warwick

Grammy Award-Winning Singer, Actress & TV Host

Joe Torre

Chief Baseball Officer for Major League Baseball; National Baseball Hall of Famer, 4-Time World Series Champion & 9-Time MLB All-Star

LeBron James

Sports Icon, NBA Superstar, Philanthropist

Wilmer Valderrama

Actor, Producer, Activist & Television Personality

Eva Mendes

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

Joseph Coughlin

Founder & Director of AgeLab, Massachusetts Institute of Technology

Jon Landau

Academy Award-Winning Producer of Titanic & Avatar