Consultant forensic psychiatrist, Professor of Forensic Psychiatry Trinity College Dublin. Honorary Skou professor of forensic psychiatry University of Aarhus and Hon. Visiting Professor of Forensic Psychiatry, University of Bari ‘Aldo Moro’, Italy. Research and teaching interests include anger, violence, suicide, functional mental capacity; structured professional judgement and expertise as an expert witness; risk assessment, risk management; models of care as the basis for evaluation of outcomes in psychiatry. Co-author of the forthcoming second edition of Seminars in Forensic Psychiatry, CUP. Author of structured professional judgement instruments the DUNDRUM Toolkit, DRILL Capacity Ladders. Research interests include stratified therapeutic security and models of care.