Serena Williams

Iconic Professional Tennis Player & Olympic Gold Medalist; Activist, Philanthropist & Entrepreneur

Gabby Douglas

First African-American to Win Olympic Gold Medal for Gymnastics; Author of New York Times Bestseller "Grace, Gold & Glory: My Leap of Faith"

Tunde Oyeneyin

Peloton Instructor & Makeup Artist; Founder of SPEAK Instagram Live Series

Michelle Obama

Former First Lady of the United States & Bestselling Author

Jillian Michaels

Leading Fitness Expert, Certified Nutritionist, Renowned Life Coach & Powerful Entrepreneur

Dr. Jennifer Ashton

Board-Certified Ob-Gyn, Author & TV Medical Correspondent

Rachael Ray

Chef, Cookbook Author & Television Host Known for the "Rachael Ray Show"

Percy "Master P" Miller

Entrepreneur, Music Mogul, Philanthropist; Founder & CEO of P. Miller Enterprises

Dr. Mikhail Varshavski

Known as "Doctor Mike;" Leading Medical Media Voice Who Communicates the Value of Preventive Medicine

Joy Bauer

Nutrition and Health Expert on NBC's "Today Show" & Founder of Nourish Snacks

Shaquille O'Neal

15-Time NBA All-Star Player, Media Personality, Entrepreneur & Philanthropist

Colin Kaepernick

NFL Quarterback & Activist; Member of Board of Directors, Medium

Randy Jackson

Music Producer, Former "American Idol" Judge, Author & Health Advocate

Pau Gasol

NBA Power Forward, Two-Time NBA Championship Winner, UNICEF Ambassador

Matthew McConaughey

Academy Award-Winning Actor, Writer & Philanthropist

Dr. Michael Roizen

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

Jordin Sparks

Pop and R&B Vocalist; American Idol Winner

Mark Hyman

New York Times Bestselling Author & Healthcare Expert

Young Forever: The Emerging Science of Longevity | Summit Palm Desert

Bill Clinton

42nd President of the United States; Founder of the William J. Clinton Foundation

Richard Sherman

Former All-Pro NFL Cornerback; NFL Analyst & Commentator; Co-host of 'Undisputed'