is an American fitness, exercise, and nutritional expert, celebrity, lecturer, and motivational speaker who is widely referred to as "The Godfather of Fitness". read more...
Fredrick Hahn
author of Strong Kids, Healthy Kids, has been a professional exercise trainer for more than 20 years. read more...
Rob Ginepri
is a multi-sport athlete who didn't devote himself to tennis until he was 12 years old. read more...
Jack LaLanne
