Dr. Steven Macdonald Hart is a Research Scientist at the Suicide CPR initiative. He occupies the position of Postdoctoral Fellow in the Department of Medical and Clinical Psychology at Uniformed Services University of the Health Sciences. Before joining the Suicide CPR Initiative, he earned his Ph.D. in Psychology from Middlesex University, London, focusing on Trauma and Suicidology. Steven previously served as a Psychologist for the National Health Service, West Middlesex University Hospital, where his primary duties were clinical mental health and suicide risk assessments and arranging ongoing treatment plans for at-risk patients. Steven’s research experience includes auditing the Psychiatric Liaison Team’s response to patients who presented to the Accident and Emergency Department with mental health crises. He also directed an interpretative phenomenological analysis on the perceptions of volunteer befrienders from Maytree Respite Centre, London, concerning the advantages and disadvantages of humanistic support models for people with thoughts of suicide. He designed, delivered, and evaluated a contextually tailored suicide prevention gatekeeper training designed to identify and support people from asylum-seeking and refugee backgrounds. Steven was also part of the research team that performed a national psychological autopsy study in collaboration with the British Transport Police, analyzing suicide fatalities across England's railways.