Darryn Willoughby, Ph.D.


Darryn Willoughby holds B.S. and M.Ed. degrees in Physical Education from Tarleton State University and a Ph.D. in Exercise Physiology with sub-emphases in Nutritional Biochemistry and Molecular Biology from Texas A&M University. He also possesses a graduate clinical certificate in Clinical Anatomy. Willoughby is a Fellow of the American College of Sports Medicine (ACSM), International Society of Sport Nutrition (ISSN), American College of Nutrition (ACN), and American Society of Exercise Physiologists (ASEP). He is a Certified Strength and Conditioning Specialist through the National Strength and Conditioning Association, a Certified Sports Nutritionist through ISSN, and a Certified Exercise Physiologist through ASEP. He has also been presented with the Lifetime Achievement Award by the Society of Weight Training Injury Specialists.

Willoughby has over 150 publications in high-tier scientific peer-reviewed research journals. He has also authored and co-authored several book chapters on issues related to exercise and sports nutrition. He serves as the editor-in-chief for the Journal of Nutrition and Food Engineering and the International Journal of Kinesiology and Sport Science. He is also an associate editor for the Journal of Sports Science and Medicine and the Journal of Strength and Conditioning Research.

He has also worked as a collegiate strength and condition coach and presently serves as a resistance training and conditioning consultant for high school, collegiate, and professional athletes. In addition, he consults with amateur and professional bodybuilders relative to their training and nutritional program. Personally, he is a masters level competitive bodybuilder.