Dr. Smith has a Masters in Exercise & Sport Science and a Doctorate in Physiology. Since 1988, he has worked with Dr. Loren Cordain, the world’s leading expert on Paleolithic nutrition, and is now a writer for, and on the editorial board of, thepaleodiet.com.

As a leading authority on the benefits of supra-maximal interval training, he instructs for the Titleist Performance Institute and is also a member of their Advisory Board. In addition to “weekend warriors”, he works with professional athletes, including women’s golf two-time major champion, In Gee Chun. He maintains his practice at Mission Hills CC in California.