Dr Mark J Smith demonstrates the fundemental exercise
performed on the
X-iser, the only machine
specifically designed for
high intensity training or sprint training.
Dr. Mark J. Smith graduated from Loughborough University of Technology,
England, with a Bachelor of Science in PE & Sports Science and then obtained his teaching certificate in
PE & Mathematics. As a top-level rugby player, he then moved to the United States and played for the
Boston Rugby Club in 1987-1988 while searching the American college system for an opportunity to commence his
That search led him to Fort Collins, Colorado, where Dr. Smith completed his Masters degree
in Exercise and Sport Science at Colorado State University. He continued his studies in the Department of
Physiology, where he obtained his Doctorate. His research focused on the prevention of atherosclerosis (the buildup
of plaque in arteries that leads to cardiovascular disease), in particular, using low-dose aspirin and antioxidant
As an affiliate faculty member in the Department of Exercise and Sport Science at Colorado State University, Dr.
Smith worked extensively with Dr. Loren Cordain, the renowned author of the book, "The Paleo Diet.” As a result of
this collaboration, Dr. Smith has had significant experience in helping autoimmune patients improve their condition
through diet manipulation. This same diet has also helped individuals lose weight and athletes improve performance.
Dr. Smith has also worked extensively as a personal trainer and health consultant and has lectured extensively on
the benefits of high-intensity intermittent exercise and Paleolithic nutrition.