Dr.Harmison is the Sport Psychologist for James Madison University in Virginia. He is also the Director of the Challace J. McMillin Center for Sport Psychology at JMU, the Kibler Professor of Sport Psychology in the JMU Department of Graduate Psychology. He has been providing sport psychology services to high school through elite level athletes and teams since 1993, including the 2002, 2006, and 2010 U.S. Olympic Snowboard teams, the Kansas City Royals minor league organization, and four Division I universities.

Dr. Harmison is designated as a Certified Mental Performance Coach (CMPC), a member of the U.S. Olympic Committee Sport Psychology Registry, and a licensed psychologist (inactive) in the state of Arizona. His research interests include understanding and assessing mental toughness in sport, evaluating effective strategies for developing mental toughness and chemistry in teams, and achieving peak performance in sport.