John Berardi, PhD, CSCS is a founder of Precision Nutrition and is an advisor to Apple, Equinox, Nike, Titleist and more.He has columns on Livestrong.com and The Huffington Post.com. And was recently selected as one of the 20 smartest fitness professionals in the world. In the last 5 years, Dr. Berardi and his Precision Nutrition team have personally helped over 30,000 people improve their eating, lose weight, and boost their health through their renowned online coaching program.Also, every year, Dr. Berardi's team mentors small groups of fitness professionals through the renowned Precision Nutrition: Level 1 and Level 2 Certification programs.