Dr Cullen was previously a fulltime substantive consultant psychiatrist from 2006 to 2017 for East London NHS Foundation Trust. He worked in an inner-city area with high rates of severe and complex mental illness. During that time, he worked as a consultant liaison psychiatrist for five years based in Homerton University Hospital, treating patients with physical health problems with co-existing mental illness, including patients with dementia and other neurodegenerative conditions, and patients with functional neurological disorders including chronic pain syndromes and medically unexplained symptoms. During this time, he also provided neuropsychiatric input into the local Regional Neurological Rehabilitation Unit at Homerton University Hospital for patients with acquired brain injury. Dr Cullen has additionally been a consultant in Home Treatment and Assertive Outreach Services. He also has experience as a locum consultant psychiatrist in Addictions Psychiatry in Georges and South West London NHS Trust.
Dr Cullen has completed training in Expert Witness Certificates from Bond Solon in Civil, Family and Criminal Law proceedings.
Dr Cullen prepares expert witness reports in all of these domains. He also prepares reports in proceedings involving immigration and asylum, housing, occupational health and employment, as well as in assessment of mental capacity.
Dr Cullen has clinics in London, Guildford and Chertsey. He can also carry out home visits and see clients in solicitors’ offices.