Meet the Experts

John Berardi



The co-founder of Precision Nutrition, John Berardi, PhD, is a trained exercise physiologist and nutritional biochemist. He earned his doctorate at the University of Western Ontario, studying under renowned sport nutrition researcher Dr. Peter Lemon. He also holds an undergraduate degree from Lock Haven University and a master’s degree from Eastern Michigan University. He’s a Certified Strength and Conditioning Specialist (CSCS) through the National Strength & Conditioning Association (NSCA).

In both 2012 and 2013, Dr. Berardi was ranked one of the top 100 most influential people in fitness by In 2015, selected Dr. Berardi as one of the 20 smartest coaches in the world.

Dr. Berardi has served as an assistant adjunct professor at the University of Texas at Austin and a course instructor for Eastern Michigan University and the University of Western Ontario. He teaches exercise science, nutrient metabolism, fitness and wellness, and exercise nutrition.

The co-developer of Precision Nutrition Coaching, Dr. Berardi has helped more than 100,000 people in 100+ countries change habits and reach their health and fitness goals. He’s coached hundreds of amateur and professional athletes who, between 2006 and 2012, collected more than 30 medals, including 15 golds.

Dr. Berardi has authored or coauthored more than half a dozen nutrition books, including Scrawny to Brawny (2005), Metabolism Advantage (2006), The Precision Nutrition System (2007), Gourmet Nutrition (2008), The Essentials of
Sport and Exercise Nutrition (2009), The Essentials of Nutrition and Coaching (2019), and Changemaker (2019).

Dr. Berardi’s research and expertise covers a wide range of disciplines from online coaching to probiotics and mood. For the last 25 years, he’s traveled the world to teach the latest in health, fitness, and nutrition science at hundreds of conferences. He serves as an advisor to Apple, Equinox, Nike, and Titleist.

A dual American-Canadian citizen, Dr. Berardi lives just outside Toronto with his wife and four children.


Articles by John Berardi, PhD, CSCS

Video: Why “eat less, move more” is incredibly hard

To help someone eat less and move more, it often means looking behind their nutrition and fitness problems.

FREE 5-day nutrition coaching course.

Check out this 5-day nutrition coaching course to learn: What nutrition advice you can give, how to get clients to follow that advice, how to assess client’s needs, and more.

Why Health and Fitness
Change is Hard.
(Plus 4 Ways To Make It Easier.)

When it comes to health, fitness, and nutrition, why do so many people struggle? In this video, Dr. John Berardi explains the biggest challenges. He also shares what you can do to make things easier, for yourself or for clients and patients.

Precision Nutrition Level 2 Certification

Precision Nutrition co-founder Dr. John Berardi gives you a sneak peek at the Level 2 Certification Master Class. Plus, industry leaders share their thoughts on the program.

Precision Nutrition Level 1 Certification

Precision Nutrition co-founder Dr. John Berardi gives you a sneak peek at the Level 1 Certification. Plus, industry leaders share their thoughts on the program.

The Secrets of Body Transformation

The Secrets of Body Transformation

Check out this FREE 5-day Secrets of Body Transformation course to learn the world's most effective strategies for losing fat, building strength, and living a healthier life.

Here’s what’s possible with the Precision Nutrition Level 1 Certification.

Recent clients explain how they transformed their eating habits, their bodies, their health, and their lives with help from a Precision Nutrition Certified coach.

FREE 5-day course: Fitness and Nutrition Coaching Breakthroughs

Learn how to break through the toughest cases and help your clients get the weight loss, fitness, and health results they deserve—and expect.