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Dr. Paul Laursen is "Prof", one half of "Plews and Prof" with Dr. Dan Plews.\\xa0 Laursen holds a PhD in Exercise Physiology and is a coach to numerous\\xa0elite and professional athletes in various endurance-based sports. A triathlete himself, Prof\'s focus is on High Intensity Interval Training (HIIT) and the science and application of it in triathlon training.