Dr. O’Sullivan received his psychiatric training at Dublin University and Wayne State University, Detroit, Michigan, U.S.A., where he received the Outstanding Graduating Resident Award.
Subsequently, he was Associated Professor of Psychiatry at McMaster University and worked in the Mood Disorder Program at the Hamilton Psychiatric Hospital. Later, he was Medical Director of St. Patrick’s Psychiatric Teaching Hospital, Dublin and Professor of Clinical Psychiatry at the University of Dublin.
His research interests have included Major Depression, Bipolar Disorder and Alcoholism. He has published in scientific journals including The Journal of the Irish Medical Association, The British Journal of Psychiatry, The Canadian Journal of Psychiatry, The Archives of General Psychiatry (USA) and The Journal of Studies in Alcoholism (USA).
He has worked at the Oakville Trafalgar Memorial Hospital since 1988. Over the years, he has been involved in the Inpatient and Outpatient Psychiatric Services and ran a clinic for Difficult to Manage Mood Disorders for 20 years.
He was a member of the hospital’s Medical Executive Committee and President of the Medical Staff. He was a Member and later Chair of the hospital’s Ethics Committee and a Member of the Credentials Committee.
His other professional interests included:
- Past Member of the Mental Health and Addiction Committee: Halton District Health Council.
- Co-Founder, Equilibrium Mood Disorder Support Group.
- Preceptor: The Ontario College of Family Physicians: Collaborative Mental Health Care Network.
- The 2005 recipient of the Physician’s Inspiration Award, from the Mood Disorders Association of Ontario.
He is a Fellow of:
- The Royal College of Physicians and Surgeons of Canada.
- The Royal College of Physicians of Ireland.
- The Royal College of Psychiatrists United Kingdom.
- And he has the Diploma of the American Board of Psychiatry and Neurology.
He is a member of:
- The Canadian Medical Association.
- Ontario Medical Association.
- Canadian Psychiatric Association.