Dawn Baker (Author) Dawn Baker is a clinical psychologist and trained therapist in cognitive behavioural therapy (CBT). She has worked at the Depersonalisation Research Unit at the Institute of Psychiatry, King's College London, developing a psychological model of depersonalization disorder as well as treatment and management strategies. She currently works in private practice in Spain. Elaine Hunter (Author) Elaine Hunter is a consultant clinical psychologist specialising in cognitive behavioural therapy. She developed CBT for Depersonalization/Derealisation Disorder (DPRD), has published numerous academic and clinical research papers, and given national and international workshops on working with DPRD. She currently is the clinical lead of the Depersonalisation Disorder Service at South London and Maudsley NHS Foundation Trust. Emma Lawrence (Author) Emma Lawrence is a clinical psychologist with a particular interest in mind-body interactions and is currently working in a physical health setting employed by Camden and Islington NHS Foundation Trust. Prior to this she was a Lecturer at the Institute of Psychiatry, King's College London, conducting research on emotion processing and regulation to include work on depersonalization. In addition, she has twice been awarded the Public Engagement with Psychology grant by the British Psychological Society. Anthony David (Author) Anthony David is Professor of Cognitive Neuropsychiatry at the IoPPN and a consultant psychiatrist. He set up and heads the Depersonalisation Disorders Clinic at the Maudsley Hospital, London.