In his practice and business affiliations alike, he concentrates on treating traumatic brain injury and chronic pain clients. He is senior founding partner of Cowan Associates with offices in Bloomfield Hills and Clarkston, MI. More recently, he has been working with Life Skills Village as Clinical Director. Dr. Cowan is a member of the American Psychological Association, the American Academy of Pain Management and the National Academy of Neuropsychology. He is a medical staff member at Select Specialty Hospital in Pontiac, MI and is an Adjunct Associate Professor of Neuropsychology at the University of Detroit-Mercy.He is an avid fisherman and also maintains his training in a traditional Okinawan marital arts style, Isshinryu. He currently holds the rank of Sho Dan, 1st degree black belt.