Joe Klemczewski, PhD
Joe Klemczewski is known as the Godfather of Flexible Dieting. He pioneered macronutrient-based food intake tracking more than twenty-five years ago and carved a path for the entire personal nutrition coaching industry. Klemczewski’s international brand and licensing company The Diet Doc, LLC, has continued to innovate client-centered systems used to help thousands of struggling dieters reach sustainable life change.
Klemczewski has spoken at universities, school systems, fitness camps, medical organizations, science conferences, and Fortune 500 companies. He was a contributing science editor for Chelo Publishing for fourteen years. His articles regularly appeared in Iron Man, Natural Bodybuilding & Fitness, Exercise for Men, Best Body, Muscular Development, Muscle & Fitness, and others; many have been translated for German, Italian, and Asian publications. He has written for numerous websites, including eDiets and Huffington Post, has contributed to fitness industry books, and has edited physiology textbooks for Barron Publishing. Klemczewski has authored four books and the entire pedagogy for the National Academy of Metabolic Science.
Klemczewski has created long-running podcast projects such as The Diet Doc Life Mastery Podcast, Contest Prep University, The Mind-Muscle Connection, and The Coaches Clinic. He is regularly interviewed by industry leaders and has appeared on the Pro Physique Podcast, Redefine Healthy Radio, Physique Science Radio, and Iron Culture. In 2020, Klemczewski founded the Nutrition Coaching Global Mastermind to help define industry standards for nutrition coaching and to elevate standards of practice.
Klemczewski has earned degrees in physical therapy, health, nutrition, health education, literary journalism, social psychology, and social science, including two doctorates and four masters degrees. He is a former WNBF professional bodybuilder and has personally coached more than 500 clients to pro status wins, 150 professional titles, and 50 world championships. He has coached Olympic athletes, pro athletes, models, actors, and thousands to improve health, function, performance, and aesthetics. Klemczewski can be reached through IG and FB @joeklemczewski.