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"

Colin Kaepernick

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

Colin Kaepernick Signs First-Look Deal With Walt Disney

Marc Brown

Children's Book Author & Creator of "Arthur"

The Origins of Arthur | A Word from Arthur and Marc Brown - YouTube

Serena Williams

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

George Loewenstein

Herbert A. Simon Professor of Economics and Psychology at Carnegie Mellon University

Keri Hilson

Singer, Songwriter & Actress; Known for "Knock You Down" and "Pretty Girl Rock"

Spike Mendelsohn

Chef, Restaurateur & Food Equity Activist

Celebrity Chef Spike Mendelsohn | The You-est YOU™️ Podcast

Ruben Studdard

American Idol Winner; The Biggest Loser Contestant; Dubbed the "Velvet Teddy Bear"

Richard Simmons

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

Richard Simmons on Motivation - YouTube

Jillian Michaels

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

Beyonce Knowles

American Singer, Songwriter, Record Producer, Actress and Designer

Beyoncé’s BET Awards Speech Urged Fans to ‘Dismantle a Racist and Unequal System’

Bob Harper

Personal Trainer & Former Host of "The Biggest Loser;" Heart Attack Survivor

Ann Cooper

Author, Chef, Educator, Advocate of Healthy Food for All Children.

Ann Cooper: Speaker Update at TEDxManhattan 2014 - YouTube

Billy Blanks

Martial Artist, Actor, Creator of Tae Bo Exercise Programs

Against All Odds: The Billy Blanks Story Part One - YouTube

Dr. Ian Smith

Doctor, New York Times Bestselling Author, Medical Contributor & Host of "The Doctors"

Rachael Ray

Chef, Author & Host of the "Rachael Ray Show"

Rachael Ray on What Book "Rachael Ray 50" Means to Her | The ...

Richard Sherman

Cornerback for the San Francisco 49ers of the National Football League

Susur Lee

Celebrity Chef, Owner of Susur Lee Restaurant Group

Chef Susur Lee on Greatness, Teamwork and Striving for Perfection ...

Partha Nandi

TV Show Host, Bestselling Author & Practicing Gastroenterologist

Meet Partha Nandi, MD | Dr. Nandi Show - YouTube

David Ludwig

Endocrinologist, Researcher, Professor & Founding Director of Optimal Weight for Life at Boston Children's Hospital