Peter Diamandis

Founder & Executive Chairman of the XPRIZE Foundation; Author; Named One of The World's 50 Greatest Leaders

Van Jones

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author

Erin Brockovich

Consumer Advocate, Author, TV Host & Environmental Activist

Yael Cohen Braun

Co-Founder & Board Chair of F*ck Cancer

Lisa Ling

Award-Winning Journalist & Producer for CBS News

Antwone Fisher

Best-Selling Author, Screenwriter & Lecturer

Ben Stein

Political Economist, Commentator, Author & Actor

Marilyn Tam

Leadership Speaker, Bestselling Author, Consultant & Board Certified Corporate Coach; CEO of Marilyn Tam & Co.; Founder and Executive Director of Us Foundation

David Agus

Co-Founder of Navigenics, Author of "The End of Illness," Professor of Medicine & Engineering at the University of Southern California

Mayim Bialik

Neuroscientist, Host of Jeopardy!, Mental Health Advocate & Actress Known for "The Big Bang Theory"

Mayim Bialik on Why She Started Talking About Her Mental Health

Soleil Moon Frye

Social Media Expert, Entrepreneur & Eco-Leader; Author of "Happy Chaos"; Alzheimer's Awareness Advocate

Geena Davis

Award-Winning Actress, Gender Equality Activist & Philanthropist

Daniel Burrus

Technology Futurist, Business Strategist & Hall of Fame Speaker

Richard Dreyfuss

Academy Award-Winning Actor

Greg Louganis

4x Olympic Gold Medal Diver, LGBT Activist & Author

Dr. Kevin Freiberg

World-Wide Best-Selling Author, Speaker & Advisor

Jerry Mathers

Actor; Best Known for "Leave It to Beaver"

Derek Hough

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

‘DWTS’ judge Derek Hough marries Hayley Erbert in ‘incredibly romantic’ fairy-tale wedding

Ed Begley Jr.

Environmental Activist & Emmy Award-Nominated Actor

Sherry Lansing

Former CEO of Paramount Pictures & Founder of The Sherry Lansing Foundation