Dr. Parker has been a member of the faculty at the Indiana University School of Medicine since 2001. He is the Director of Forensic Psychiatry for the Department of Psychiatry and specializes in criminal evaluations of competence to stand trial and sanity at the time of the offense. He is also an Adjunct Professor of Law at the IU McKinney School of Law in Indianapolis, where he teaches a course on law and psychiatry, and he teaches on forensic psychiatry and mental health topics to medical students, psychiatry residents, law students, police and jail officers, lawyers, and judges. He was the Medical Director of the Indiana Division of Mental Health and Addiction from 2003 to 2015.
Dr. Parker received his undergraduate degree from Harvard College and his medical degree from the University of Massachusetts Medical School. He completed his psychiatry residency training at the University of Massachusetts Medical Center and Dartmouth-Hitchcock Medical Center. He is board-certified in general and forensic psychiatry and is a Distinguished Fellow of the American Psychiatric Association. He is a professional supporter of the National Alliance on Mental Illness (NAMI) and was named an Exemplary Psychiatrist by NAMI in 2011.