Siobhan O'Neill, MD, CGP,  is a part-time Assistant Professor of Psychiatry at Harvard Medical School, and faculty member at MGH, where she  teaches residents, serves on the Steering Committee for the Center for Group Psychotherapy, and on the hospital's Physician Wellness Committee.

Dr. O'Neill practices clinically and consults to major malpractice insurers in the Boston area and New England. Since 2008 she has been facilitating peer resource and support groups for doctors and nurses who have experienced adverse events, and who have been sued for malpractice.  She teaches nationwide on navigating the aftermath of adverse events and litigation, and on cultivating humanity and self-care in the practice of medicine.

Dr. O'Neill graduated summa cum laude from the University of Arizona. She received her medical degree from Northwestern University Medical School. She is a graduate of Harvard Medical School's residency in psychiatry at Massachusetts General Hospital/McLean Hospital, where she served as Chief Resident at MGH. She completed advanced training in psychoanalytic psychotherapy,  group psychotherapy, and spiritual psychology.

Dr. O'Neill is currently a student at the Insight Yoga Institute, where she is studying the integration of yoga, meditation, and psychological work.