Dr. Clark completed medical school and psychiatric training at the University of Cincinnati Medical College. He completed the Child and Adolescent Psychiatry Training at Yale Child Study Center. He published several articles on the treatment of addiction and is a member of the American Academy of Addiction Psychiatry. He held a position at Sharon Regional Health Center, Southwood Hospital, and Mercy Hospital Outpatient Clinic. Dr. Clark was a psychiatrist in the United States Air Force in Germany; then he founded the South Hills Recovery Project in 2011 to meet the demands for quality care for those suffering from addiction to opiates. He has successfully treated thousands over patients and helped them regain a good quality of life.