Body by Science: A Research Based Program for Strength Training, Body building, and Complete Fitness in 12 Minutes a Week

Doug McGuff, MD, owns the state-of-the-art personal training facility Ultimate-Exercise. He lectures on exercise science all over the world.

John Little is a columnist for Ironman magazine and the innovator of three revolutionary training protocols, including Max Contraction Training. He and his wife, Teri, own Nautilus North Strength & Fitness Centre and have supervised more than 60,000 workouts.

Rick Adamson is an Audie Award winner for his work on In a Heartbeat by Leigh Anne and Sean Tuohy (with Sally Jenkins) of The Blind Side fame. Also the winner of several ALA awards and a Harper Audio Grammy nominee, Rick has been a narrator for twenty-five years. Originally from Maryland, he now lives in New Jersey.