Joan Lunden

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

Mark Ballas

Dancing with the Stars Champion & Mental Health Activist

Keri Glassman

Nutritionist, Author, Founder and CEO of Nutritious Life

Dr. Holly G. Atkinson

Award-Winning Medical Journalist

Chris Powell

Trainer and Transformation Specialist on ABC's "Extreme Makeover: Weight Loss Edition"

Bob Harper

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

Maintaining A Healthy Body & Mind | Bob Harper Q&A

Richard Simmons

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

Ellie Krieger

Chef, Nutritionist, Best-Selling Author & Host of “Ellie’s Real Good Food”

Denise Austin

Fitness Expert, Author & Video Hall of Famer

Carnie Wilson

Singer & Actress, Founding Member of "Wilson Phillips"

Ethan Zohn

Winner of "Survivor" Africa, 2x Cancer Survivor, Stem Cell Transplant Recipient, Social Entrepreneur, Philanthropist, Cancer Research Advocate, Former Pro Soccer Player, Sports Broadcaster & TV Personality

Dr. Ian Smith

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

Rocco DiSpirito

James Beard Award-Winning Chef, Healthy Lifestyle Advocate & New York Times Bestselling Author

Drew Learns Chef Rocco Dispirito's 5-Minute Shrimp Dish

Tony Horton

Fitness Expert & Founder of Fitness Program P90X

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

Paula Zahn

Distinguished News Anchor & Nine-Time Emmy Award Winner

Tamilee Webb

Fitness Expert & Instructor, Star of "BUNS OF STEEL"

Tracy Anderson

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

Tracy Anderson shares moves to work your whole body

Robin Miller

Host of "Quick Fix Meals with Robin Miller" on Food Network, Nutritionist

Jo Frost

Jo Frost is an English nanny and the central figure of the reality television programme Supernanny, of which there is both a British and an American version.

Brooke Burke

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