Trisha Yearwood

Country Music Artist, Two-Time New York Times Best-Selling Cookbook Author

Joan Lunden

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

Wynonna Judd

Grammy-Winning Country Superstar, Author and Contestant on "Dancing With the Stars"

Joy Behar

Former Co-Host of The View / Comedian

Tia-Clair Toomey

Fittest Woman on Earth, Author

How I Became the Fittest Woman on Earth: My Story So Far

Sherri Shepherd

Co-host of ABC's "The View"; Actress and Comedian

Jillian Michaels

Health Fitness Guru on NBC's hit series "The Biggest Loser."

Jillian Michaels' Best Fitness Advice - YouTube

Bob Harper

Fitness Expert, Author & Personal Trainer

The Super Carb Diet: Shed Pounds, Build Strength, Eat Real Food

Chris Ruden

World’s Strongest Amputee and Type 1 Diabetic

Chris Ruden: Powerlifter Playing Bodybuilder For a Day - YouTube

Kris Jenner

Reality TV Star & Executive Producer of "Keeping Up with the Kardashians"

Robert H. Lustig

Bestselling Author of Fat Chance

Drew Canole

Founder and CEO of Fitlife.tv

Susan Albers, Psy.D.

Best-selling Author; Clinical Psychologist at the Cleveland Clinic; Specialist in Eating Issues, Weight Loss, & Body Image

Jayson Calton, Ph.D.

Co-Founder of Calton Nutrition, Co-Author of "Naked Calories," "Rich Food Poor Food" & "The Micronutrient Miracle"

Mira Calton

Co-Founder of Calton Nutrition, Co-Author of "Naked Calories," "Rich Food Poor Food" & "The Micronutrient Miracle"

Jay Cardiello

Fitness and Nutrition Expert

Jennifer Nicole Lee

Fitness Expert/Model; Author of "The Fitness Model Diet" and "The Mind Body and Soul Diet"

Tory Johnson

Founder and CEO, Women For Hire; Author, "The Shift"; Weekly Contributor, "Good Morning America"

Richard Simmons

Health & Fitness Guru

Ellie Krieger

Registered Dietitian, Author, Host of The Food Network's "Healthy Appetite"