ISSA Founders, Advisors, Course and Continuing Education Authors

The International Sports Sciences Association's advisors and authors are some of the most prestigious and respected names in the fitness industry. The years of scientific research they have conducted, the hundreds of professional publications, and college text books they have authored, is the basis of virtually all exercise, physiology, nutrition, and fitness courses taught around the world.

While others talk about their "experts" we urge you to see for yourself and take an in depth look at their biographies, publications, and accomplishments.

We're confident you'll see why ISSA is truly the World Leader in Fitness Education

Dr. Sal Arria Frederick C. Hatfield Charles Staley Patrick S. Gamboa Dr. Jack Barnathan Karl Knopf Bill Pearl Warren Potash Dr. Thomas Fahey Jane Frederick Dr. Gordon

E.J. 'Doc' Kreis Robert Filer Lt. Col. Taylor John Schaeffer John DeFendis John Berardi Kim Dolan Leto LaReine Chabut

John Schaeffer, MFS, MSS, MPN ISSA Professor of Fitness Science

John Schaeffer is known as a trainer's trainer. He has over 30 years' experience in the health and fitness industry, specializing in nutrition, weight management, and sports conditioning. He is currently working on his dissertation for his Ph.D. in nutrition and has a Masters' degree in fitness science, along with numerous additional fitness certification courses from the International Sports Sciences Association (ISSA).

John is also a professor for the ISSA and travels all around the United States, teaching certification courses. He has taught over 100 certification classes for Certified Personal Trainers.

In addition, his desire to help others has led John to write fitness books, nutritional supplementation information pamphlets, and fitness articles, and he has even developed software programs for personalized nutrition and training. He has also designed and developed numerous nutritional supplement formulas. A five-time world champion powerlifter, John has also held numerous world records. He is also a professional kick-boxer, winning a Masters Super Heavyweight World Championship from MACK (Martial Arts Council of Kick Boxing). He has been featured in Powerlifting Video Magazine, Black Belt Video Magazine, and numerous other television and radio shows around the world. John has been awarded the International Sports Sciences Association Lifetime Achievement Award for his work in the fields of nutrition and fitness.

Finally, with all his achievements, John considers his greatest success to be the hundreds of people he has helped to achieve their fitness goals through his custom nutrition and training programs.

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