
The Aggressive Incidents Scale (AIS) and Hamilton Anatomy of Risk Management (HARM) were created by Dr. Gary Chaimowitz and Dr. Mini Mamak.

Dr. Gary Chaimowitz, MB ChB FRCP(C)
Head of Service, Forensic Psychiatry Program, St. Joseph’s Healthcare Hamilton
Professor, Department of Psychiatry and Behavioural Neurosciences, Faculty of Health Sciences, McMaster University
Dr. Chaimowitz is a Certified Physician Executive through the American College of Physicians and has his MBA from the University of Toronto. He is vice-chair the Psychiatry Section of the Ontario Medical Association and past president of the Ontario Psychiatric Association. He chairs the Forensic Psychiatry Specialty Committee of the Royal College of Physicians and Surgeons of Canada and has been granted Forensic Psychiatry Founder Status. He is a past president of the Medical Staff Association of St Joseph’s Healthcare Hamilton, is on the board of the International Association of Forensic Mental Health Services and on the council of the American Academy of Psychiatry and the Law. He is cochair of the Ontario Forensic Directors Group, Distinguished Fellow of the Canadian Psychiatric Association and American Psychiatric Association, member of the Ontario and Nunavut Review Board and vice-chair of the Consent and Capacity Board.

Dr. Mini Mamak, Ed.D. C. Psych.
Senior Psychologist, Forensic Psychiatry Program, St. Joseph’s Healthcare Hamilton
Associate Professor (PT), Department of Psychiatry and Behavioural Neurosciences, Faculty of Health Sciences, McMaster University
Dr. Mamak is a board member of the Advisory for the Canadian Critical Incident Association and a member of the Ontario Review Board. Her professional and research interests include aggression, female offending, risk prediction and hostage negotiations. Dr. Mamak has provided psychological and threat assessment services to private and public sector organizations both nationally and internationally. She has been a sought-after speaker and has presented at numerous conferences and workshops.