Mark Zimmerman MD

Dr. Mark Zimmerman received his undergraduate degree from Columbia University and his medical degree from Chicago Medical School, where he graduated first in his class. He completed his postgraduate training at the Medical College of Pennsylvania, and he held an academic appointment as assistant professor at the same time he was a resident in psychiatry.

Dr. Zimmerman is board-certified in psychiatry and is a professor of psychiatry and human behavior at The Warren Alpert Medical School of Brown University. He was the director of the Rhode Island Hospital Partial Hospital Program for the past 9 years, and he was the director of the Rhode Island Hospital Outpatient Practice for more than 25 years.

In addition to his clinical and administrative roles, Dr. Zimmerman has been an active researcher, one of the most widely published researchers in psychiatry with more than 500 articles and book chapters. For his research, he has won numerous awards, and most recently was the Personality Disorders section editor for the revision of DSM-5. Through the years, Dr. Zimmerman has been interviewed on NPR and quoted in several publications, including People magazine and U.S. News and World Report.