Dr. John Berardi is one of North America's most popular and respected authorities on fitness and nutrition. He has made his mark as a leading researcher in the field of exercise and nutritional science, as a widely read author and writer, and as a coach and trainer who has helped thousands of men and women, from soccer moms to Olympic athletes, achieve their health, fitness and performance goals.

John earned a doctorate in Exercise and Nutritional Biochemistry from the University of Western Ontario and currently serves as an adjunct assistant professor of Exercise Science at the University of Texas. He also provides nutrition consultation services for athletes and sports teams including a number of Canadian Olympic programs (Speed Skating, Bobsleigh, Skeleton, Cross Country Skiing, Alpine Skiing, Canoe, and Kayak), the University of Texas Longhorns, and numerous individual professional football, hockey, and baseball players. He has published more than 300 articles in major health and fitness magazines, including Men's Health, Men's Fitness, Women's Health, Oxygen, and more. He is the coauthor, with Michael Mejia, of Scrawny to Brawny (Rodale, 2005), and author of The Metabolism Advantage (Rodale, 2006). He also contributed special sections to Nutrient Timing, by John Ivy, Ph.D., and Robert Portman, Ph.D. (Basic Health, 2004). In 2005, John created a performance nutrition program for athletes and fitness enthusiasts called Precision Nutrition. The Precision Nutrition kit includes a nutrition guidebook, a recipe book, and instructional CDs and DVDs, and is also supported by the well-attended Precision Nutrition online forums. This program is designed to teach the principles of optimum sports nutrition to everyone from elite athletes to the recreationally active and has made a huge splash in the sports nutrition industry. Well-spoken and camera-friendly, John is a frequent guest on television and radio programs and is regularly quoted in newspapers and magazines, including The New York Times and USA Today. He is also much in demand as a presenter at clinics and conferences such as the annual meeting of the International Society of Sports Nutrition. Formerly, John was a competitive powerlifter, bodybuilder, track and field sprinter, and rugby player. In addition to his doctoral degree, he holds a certification as a strength and conditioning specialist from the National Strength and Conditioning Association.