Richard Dreyfuss

Academy Award-Winning Actor

Judge Greg Mathis

Civil Rights Activist, Television Personality

Wendell Pierce

Author and Actor, best known for "The Wire" and HBO's "Treme"

Graham Hill

Founder of Life Edited & TreeHugger.com

Bethany Joy Lenz

Actress, Singer-Songwriter & Filmmaker; Known For "One Tree Hill"

Dr. Dean Ornish

Physician, Leading Researcher in Healthcare, Founder of the Preventive Medicine Research Institute & Bestselling Author

Charles S. Dutton

Actor & Director Known for "Roc" and "The Piano Lesson"

Montel Williams

Emmy Award-Winning Talk Show Host; Multiple Sclerosis Survivor; Health Equity & Veteran Advocate

Richard Simmons

Fitness Instructor, Actor, Video Producer Known for "Sweatin' to the Oldies" Aerobics Videos

Jalen Rose

Former ESPN Analyst & NBA Player

Milla Jovovich

Model, Actress & Musician Known for the "Resident Evil" Series

Akbar Gbajabiamila

Inspirational Former NFL Player & Broadcaster; Host of American Ninja Warrior & Co-Host of The Talk

Hill Harper

Best-Selling Author, Tech Entrepreneur, Investor, Philanthropist & Actor; Best Known For "CSI: NY" & "The Good Doctor"

Russell Simmons

Entrepreneur & Philanthropist

Tonya Lewis Lee

Author, Producer, Filmmaker & Entrepreneur; Women's Health Activist

Tonya Lewis Lee on the Black maternal mortality crisis

Malaak Compton

Activist & Philanthropist

Brad Meltzer

Host of History Channel’s "Lost History" & "Brad Meltzer’s Decoded;" New York Times Best-Selling Author

David Zinczenko

Founder & CEO of Galvanized; Former Vice President of Men's Health, Women's Health & Prevention; Retired Nutrition & Wellness Editor at ABC News

Janet Mock

Author, Feminist, Transgender Rights Activist, TV Host & Founder of #GirlsLikeUs

Jon Landau

Academy Award-Winning Producer of Titanic & Avatar