Peter Diamandis

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

Erin Brockovich

Consumer Advocate, Author, TV Host & Environmental Activist

Lisa Ling

Award-Winning Journalist & Producer for CBS News

Antwone Fisher

Child Advocate, Bestselling Author, Screenwriter & Lecturer

David Agus

Co-Founder of Navigenics, Author of "The End of Illness" & Host of "The Checkup with Dr. David Agus"; Professor of Medicine & Engineering at the University of Southern California

The Book of Animal Secrets

Greg Louganis

4x Olympic Gold Medal Diver; LGBTQ Activist & Author

Sherry Lansing

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

Maria Bello

Actress, Activist & Vital Voices Global Ambassador

Tony Plana

Actor & Director Known for "Ugly Betty;" Supporter of Comprehensive Immigration Reform; Advocate for Alzheimer's Disease

Mark Victor Hansen

Founder & Author of Chicken Soup for the Soul Book Series, Mega-Entrepreneur, Business Speaker & Devoted Philanthropist

Dr. Lisa Masterson

OB/GYN, Mom, Philanthropist & Author; Known as Co-Host of "The Doctors"

Chaz Bono

Transgender, LGBTQ Rights Advocate, Author, Speaker

Mark Spitz

Legendary Olympic Swimmer; Third Athlete to Win Nine Olympic Gold Medals

Mark Spitz on the 1972 Olympic Games in Munich

Kathy Bates

Academy Award-Winning Actress; Cancer Survivor & Chairperson for the Lymphatic Education & Research Network

Kevin Nealon

Former Cast Member of 'Saturday Night Live'; Co-Star on Showtime's "Weeds"

Alfonso Ribeiro

Host of America’s Funniest Home Videos, Actor, TV Director, Award-Winning Dancer & Broadway Star

Tom Arnold

Comedian, Actor & Writer

Dr. Drew Pinsky

Physician, Addiction Medicine Specialist, TV Host, Author & Podcaster

Shaun Tomson

Former World Champion Surfer, Environmentalist & Motivational Speaker

Dean Cain

Actor, Producer and Television Personality; Best know for his portrayal of Superman in 'Lois & Clark: The New Adventures of Superman'