Laila Ali

Undefeated Four-Time World Champion Boxer & Lifestyle Expert; Heart Disease Awareness Advocate

Karena Dawn

Co-Founder of Tone It Up & Personal Trainer

Daphne Oz

Emmy Award-winning Television Host, New York Times Bestselling Author, Chef & Entrepreneur

Serena Williams

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

Nastia Liukin

Olympic Gold Medal Gymnast

Lisa Leslie

WNBA Champion, Olympic Gold Medalist & Author of "Don't Let the Lipstick Fool You;" Coach of Ice-Cube's BIG3 Basketball League

Allyson Felix

Track & Field Athlete, Olympic Champion & 12-Time Gold Medalist at the World Championships; Co-Founder of Saysh

Tunde Oyeneyin

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

Robin Arzon

Best-Selling Author, Ultra-Marathoner & Renowned Fitness Coach

Ally Love

Host, Model, Dancer & Peloton Instructor

Katrina Scott

Co-Creator of ToneItUp

Ashley Graham

Model, Entrepreneur & Body Image Activist

Chrissy Teigen

Model, Author & Television Personality

Dr. Jennifer Ashton

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

Michelle Obama

Former First Lady of the United States & Bestselling Author

Alison Sweeney

Actress & TV Personality Known for "Days of Our Lives" & "The Biggest Loser"

Venus Williams

Professional Tennis Player, Four-Time Olympic Gold Medalist, Equal Pay Activist, Author & Entrepreneur

Sherri Shepherd

Actress, Comedian, Former Co-host of "The View" & Host of the "Two Funny Mamas" Podcast

Jillian Michaels

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

Erin Andrews

Fox Sports Correspondent & Former Co-Host of "Dancing with the Stars"

Dara Treseder

Chief Marketing Officer at Autodesk; Former SVP, Head of Global Marketing & Communications at Peloton

Marketing’s Future Rooted in ‘Creativity and Innovation’

Dr. Mehmet Oz

Cardiothoracic Surgeon; Host of "The Dr. Oz Show;" Columbia University Professor & Author

Aly Raisman

Olympic Gymnast, Gold Medalist, Captain of the "Fierce Five" & the "Final Five"

Kate Hudson

Actress Known For "Almost Famous" & Co-Founder of Fabletics

Kate Hudson - Talk About Love (Official Music Video)

Amy Purdy

Former "Dancing with the Stars" Contestant & Paralympic Professional Snowboarder

Carla Hall

Co-Star of "Crazy Delicious;" Host of Discovery+'s "Foodways" & the "Say Yes!" Podcast

Alice Waters

Executive Chef, Founder & Owner of Chez Panisse; Sustainable Agriculture Advocate

Abby Wambach

6-Time U.S. Soccer Athlete of the Year; Two-Time Olympic Gold Medalist & FIFA Women's World Cup Champion; Pay Equity & LGBTQ Rights Activist

Rachael Ray

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

Diana Nyad

World Champion Swimmer, Storyteller, Sports Journalist & Broadcaster