Dr. Mack is a professor in the Physical Education Division at UNI. Dr. Mack's teaching and research interests are in the areas of sport psychology and coaching. He teaches sociology and sport psychology courses as well as courses in communication and leadership skills. Current research topics include the effects of mental toughness on performance, the relationship between psychological momentum and sport performance, and concentration in sport performance. He has had over 20 years experience teaching and coaching a variety of sports both in public school systems and at the collegiate level.