Harley Pasternak is the New York Times bestselling author of The 5-Factor Diet, 5-Factor Fitness, and The 5-Factor World Diet. He was a co-host on ABC's The Revolution and makes regular appearances on the Today show and Good Morning America . He has also appeared on The View, The Oprah Winfrey Show , CNN, E!, and Rachael Ray . Harley has been featured in Cosmopolitan, Us Weekly, In Touch, Shape, People, Glamour, Elle, Allure, Men's Health, Fitness, Seventeen, Marie Claire, New York Post, Los Angeles Times , and The Washington Post . He holds a master of science degree in exercise physiology and nutritional sciences from the University of Toronto and an honors degree in kinesiology from the University of Western Ontario.