Brian Patrick Brennan, MD

Brian P. Brennan, MD, MMSc, is an associate professor of psychiatry at Harvard Medical School and is the medical director of the Obsessive Compulsive Disorder Institute at McLean Hospital—an intensive residential treatment facility for patients with severe OCD and related disorders. He is also the associate director of translational neuroscience research in the Biological Psychiatry Laboratory at McLean Hospital and has published extensively on the use of neuroimaging to investigate neurochemical and neurobiological abnormalities underlying psychiatric disorders such as OCD and depression.

The primary focus of Dr. Brennan’s research is the identification of novel biological targets for the development of improved therapeutics for OCD and related disorders. He has received grant funding from the National Institute of Mental Health, NARSAD, the Sidney R. Baer Jr. Foundation, and the Stanley Medical Research Institute. Dr. Brennan is involved in the teaching and supervision of psychiatry residents in the MGH/McLean Psychiatry Residency Training Program. He provides individual psychopharmacology supervision, serves as a discussant for case conferences, and lectures on the care of patients with OCD.