Nastia Liukin

Olympic Gold Medal Gymnast

Ariane de Bonvoisin

Author, Entrepreneur & Change Expert

Dara Torres

12x Olympic Medalist, NYT Bestselling Author, Entrepreneur & Healthcare Reform Advocate

Lisa Oz

Best-Selling Author, Producer, Host & Entrepreneur

Giuliana Rancic

Entertainment Journalist & Breast Cancer Survivor

Dr. Jill Bolte Taylor

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

Richard Simmons

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

Lisa Leslie

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

Dominique Dawes

Three-time Olympian, Olympic Gold Medalist, Healthy Lifestyle Advocate and Gymnastics Academy Owner

Brooke Burke

Former Host of "Dancing With The Stars", CEO of ModernMom.com & Thyroid Cancer Survivor

Denise Austin

Fitness Expert, Author & Video Hall of Famer

Sonia Hunt

Chief Marketing Officer, TEDx Speaker (1M+views), #1 Best-Selling Author, Health & Wellness Expert, Workplace Well-Being Leader

Kayla Itsines

Personal Trainer, Author, Entrepreneur, Creator of BBG Workouts

Michelle Gielan

Former National CBS News Anchor Turned Positive Psychology Researcher; Bestselling Author of "Broadcasting Happiness"

Chrissy Teigen

Model, Author & Television Personality

Deborah Norville

Two-Time Emmy Award-Winning Journalist; Anchor of "Inside Edition" & Best-Selling Author

Dr. Jennifer Ashton

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

Tracy Anderson

Fitness Pioneer, Entrepreneur & Author, Founder of The Tracy Anderson Method

Tracy Anderson shares moves to work your whole body

Manisha Thakor

Financial Wellbeing Consultant & Founder of MoneyZen

Gabby Reece

Beach Volleyball Champion, First Female Spokeswoman for Nike, Creator of HIGHX, New York Times Best Selling Author, Model and Actress.

Alison Sweeney

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

Bob Greene

Exercise Guru & Best-Selling Author

Kim Cattrall

Actress & Author

Kim Cattrall On 'And Just Like That...' Cameo & LGBTQ+ ...

Alice Waters

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

Marie Osmond

Singer, Host, TV Personality & Author of "Behind The Smile: My Journey Out of Postpartum Depression"

Jillian Michaels

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

Joan Lunden

Award-Winning Journalist, Best-Selling Author, Health & Wellness Advocate

Ricki Lake

Actress, Producer, Author Host, The Ricki Lake Show

Jackie Joyner-Kersee

Olympic Legend, Philanthropist, American Record-Holder in the Long Jump & Founder of the Jackie Joyner-Kersee Foundation

Marilu Henner

Actress, Producer & NY Times Bestselling Author