Dr Deeley is a member of the Royal College of Psychiatrists. He undertook medical training at Guys and St Thomas’ Hospitals before training in psychiatry on the Maudsley Hospital training scheme. He has a PhD in the cognitive neuroscience of autism and psychopathy. He also has a Bachelor of Arts degree in Theology and Religious Studies from Cambridge University.
Consultant Psychiatrist | Senior Lecturer
Dr Deeley is an honorary consultant psychiatrist in the National Autism Unit, Adult ADHD Service, and Behavioural Genetics and Autism Assessment Clinic. He is also a senior lecturer in social behaviour and neurodevelopment at the Institute of Psychiatry, Kings College London. He is approved under section 12 (2) of the 1983 Mental Health Act.
Dr Deeley has wide experience in general adult and developmental psychiatry, having worked with patients as a consultant across a range of settings, including secure hospital care, ‘step down’ open rehabilitation wards, supported living, and outpatient services. Dr Deeley specialises in the assessment and management of autistic spectrum disorders, attention deficit hyperactivity disorder, and learning disability, as well as common mental health conditions (such as depression, anxiety disorders, psychosis and OCD) and dependence syndromes.
Research and Teaching
Dr Deeley researches cross-cultural psychiatry and social and cultural neuroscience, leading a research group at the Institute of Psychiatry in this area. He also researches biological, psychological, and social influences on development, particularly in relation to common disorders such as autism, ADHD, conduct disorder, personality disorders, and psychosis. Dr Deeley’s educational role includes undergraduate and postgraduate medical teaching, as well as teaching on MSc courses at the Institute of Psychiatry including Forensic Mental Health Research, Mental Health Sciences, and Neuroimaging. Dr Deeley contributes to a national training programme run by the Royal College of Psychiatrists to train psychiatrists in the diagnosis and support of adults with autistic spectrum disorders.