About Dr. Brietzke

Dr. Colin A. Brietzke is a licensed clinical psychologist, a forensic psychologist, and a clinical neuropsychologist with experience in criminal and civil matters.

portrait of colin brietzke

Colin Brietzke, Psy.D.

Licensed Clinical Psychologist and Neuropsychologist

He founded Chicagoland Neuropsychology LLC, a multidisciplinary neuropsychological assessment practice based in Oak Park, IL, in 2012.

Types of civil evaluations Dr. Brietzke performs include assessments of cognitive ability, capacity to make medical decisions, need for guardianship, and vulnerability to undue influence. In the criminal realm, he evaluates competency to stand trial, not guilty by reason of insanity, and performs mitigation evaluations. He also performs Independent Medical Examinations.

The reports he authors assist both practitioners and the court in understanding the examinee’s cognitive and psychological status as they relate to legal questions. As part of his practice, Dr. Brietzke also assesses non-forensic populations, giving him extensive experience diagnosing and treating a broad array of cognitive and emotional illnesses.


Dr. Brietzke holds a Master’s degree in forensic psychology, a Master’s degree in clinical psychology, and a doctorate in clinical psychology. In that doctorate, he focused on forensic psychology and clinical neuropsychology. Full CV available upon request.


He previously taught at the Chicago School of Professional Psychology and has trained doctoral students during their year-long externship rotations and post-doctoral residencies. Prior to starting Chicagoland Neuropsychology, Dr. Brietzke worked with individuals adjudicated unfit to stand trial and not guilty by reason of insanity, victims of torture and political imprisonment making asylum claims, and individuals suffering from severe and persistent mental illness.

Concerning services to the legal community, he has presented to the Illinois Institute for Continuing Legal Education and the Illinois chapter of the National Academy of Elder Law Attorneys. He is also published in the Journal of Elder Law and IICLE publications. Dr. Brietzke has been consulted or admitted as an expert in state and federal courts, namely Illinois and Indiana state courts and the United States District Court, Northern District of Illinois.