Shannon Miller

Olympic Gold Medalist, Health Advocate & Cancer Survivor

Randy Fenoli

Fashion Designer & Bridal Consultant; Star of TLC's "Say Yes To The Dress"

Mondo Guerra

Fashion Designer & Advocate for HIV/AIDS Awareness

Dr. Will Miller

Educator, Psychotherapist, Author & Humorist; Authority on Stress & Coping; Ethics & Social Media Professor at Purdue University

Dr. Holly G. Atkinson

Award-Winning Medical Journalist

Murray Banks

Triathlon Champion / Motivator

Darren McGrady

Former Chef to British Royalty

Vern Yip

Celebrity Interior Designer, Known For TLC's "Trading Spaces"

Jan Ping

Breast Cancer Survivor, Emmy Award-Winning Hair & Makeup Artist

Connie Merritt

National Healthcare Keynote Speaker, Award-Winning Author & Equine Therapy Advocate

Reigniting the Spark - Connie Merritt RN, BSN, PHN

David Rosengarten

Chef & TV Personality; Author of Award-winning Cookbook "It's All American Food"

Charlene Strong

Gay Rights Activist

Ali Vincent

First Female Winner of "The Biggest Loser"

Sasha Andreev

Actor, Emcee & Host of HGTV's "Curb Appeal"

Chuck Hughes

Canadian Chef, Restaurateur, and Host on the Food Network & Cooking Channel

Michelle Aguilar

Winner of NBC's "The Biggest Loser" Season 6, Author, Motivational Speaker

Ahmed Hassan

Celebrity Landscaper & TV Host of DIY's Yard Crashers, Blog Cabin, Turf War

Olivia Ward

Winner of "Biggest Loser" Season 11

Tom Silva

General Contractor, Member of Home Improvement Team on "This Old House"

Ari Seth Cohen

Creator of Advanced Style