Dr. Keary is a child, adolescent and adult psychiatrist with a specific interest in the care for individuals with developmental disabilities including Autism Spectrum Disorder, Williams Syndrome and Angelman Syndrome. His educational work and research focus is on improving the understanding of developmental disorders and their quality of care. 

Dr. Keary works full time caring for patients with autism and other developmental disabilities across the age range and severity of impairment. He is the Behavioral Director of the MGH Angelman Syndrome Clinic and the psychiatric consultant for various specialty clinics at MGH providing care for patients with chromosomal disorders. He has expertise in the treatment of psychiatric disorders in and behavioral complications of pervasive developmental disorders. 

In addition to clinical work, Dr. Keary teaches medical students, residents, and fellows in programs associated with Harvard Medical School to understand and provide excellent care for individuals with developmental disorders. His educational responsibilities also include lectures directed to patients, families and treaters regarding mental health care for persons with disabilities. He’s been involved in committee activities developing guidelines for the evaluation and treatment of mental illness in Autism Spectrum Disorder.