Herschel Walker

Former NFL Running Back, 1982 Heisman Trophy Winner & Mental Health Awareness Advocate

Mario Lopez

Actor & Entertainment Journalist

Dr. Michael Roizen

Chief Wellness Officer at the Cleveland Clinic & Co-Founder of RealAge; Anesthesiologist & Former FDA Advisory Committee Chair

Tim Grover

CEO of Attack Athletics, Best-selling Author of "Relentless" and "Jump Attack"

Nir Eyal

Bestselling Author & Expert on the Intersection of Psychology, Technology and Business

Charles Duhigg

Pulitzer Prize-Winning Journalist & Bestselling Author of "The Power of Habit"

Supercommunicators: How to Unlock the Secret Language of Connection

Tony Horton

Fitness Expert & Founder of Fitness Program P90X

Crush It!: The Revolutionary Fitness Plan for All Levels That Burns Fat, Builds Muscle,...

Jonathan and Drew Scott (The Property Brothers)

Hosts of HGTV's "Property Brothers"

Dr. Travis Stork

Bestselling Author, Emergency Medicine Physician & TV Personality Known for "The Doctors"

Kevin Roberts

Authority on Brands & the Future of Marketing; Executive Chairman, Saatchi & Saatchi; Creator of Groundbreaking Concept & Book: Lovemarks

Sophia Amoruso

International Public Speaker, Founder & CEO of Nasty Gal, Author of "#GIRLBOSS"

I Was A Stripper! A Shoplifter! Then Built A $400m Business!

Hines Ward

2-time Super Bowl Champion, Former Assistant Coach for NY Jets & Head Coach of the San Antonio Brahmas of the XFL

Shawn Achor

Harvard Professor, Researcher, Positive Psychology Expert, Author of "The Happiness Advantage" & "Big Potential"

Dr. Jill Bolte Taylor

Scientist, Author & CEO of My Stroke of Insight, Inc.

David Zinczenko

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

Nia Long

NAACP Image Award-Winning Television & Film Actress, Philanthropist

Montel Williams

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

George Takei

Actor, Social Justice Activist & Social Media Mega-Power

White Panda

DJ Known for Remixing & Releasing Viral Mashups

Ron Hall

Artist, Volunteer & Author of "Same Kind of Different As Me"