David Kingdon is Professor of Mental Health Care Delivery at the University of Southampton, UK, and Honorary Consultant Adult Psychiatrist for Southern Health NHS Foundation Trust. He has previously worked as Medical Director for Nottingham Health Care Trust and Senior Medical Officer in the UK Department of Health, UK. He now does policy and implementation work for NHS England and is editor of their mental health web sites.
Douglas Turkington is Professor of Psychosocial Psychiatry at Newcastle University, UK. Professor Turkington is an expert on the efficacy and effectiveness of CBT in the treatment of schizophrenia. A fellow of the Royal College of Psychiatrists and founding fellow of the Faculty of Cognitive Therapy in Philadelphia, he has written more than 100 articles on the subject of CBT in schizophrenia.