Nick Barringer, Ph.D., is a tactical nutritional physiologist with a wealth of applied and academic experience. He previously served as the director of the U.S. Military-Baylor University Graduate Program in Nutrition. He also served as an assistant professor at the U.S. Military Academy at West Point, N.Y..

Barringer was the first active duty dietitian to graduate from the rigorous U.S. Army Ranger School and serve with the 75th Ranger Regiment. He received his undergraduate degree in dietetics from the University of Georgia and his doctorate in kinesiology from Texas A&M.

Barringer has presented at national and international conferences on tactical athlete nutrition and performance. His research has appeared in multiple media outlets such as Science Daily and Men's Journal.