Professor of Developmental Psychopathology at the Clinical, Educational, and Health Psychology Research Department, Division of Psychology and Language Sciences, University College London, United Kingdom
Author of two international best-selling memoirs about an experience with a psychopath. Speaker, writing coach & self-publishing consultant, United Kingdom
Clinical Psychologist, Professor of Psychology, University of Waikato, New Zealand
Director of Psychiatry Services at Saint Elizabeths Hospital, Washington, D.C.
Director, Forensic Psychiatry Fellowship St. Elizabeths Hospital, Harvard University
Licensed Clinical Psychologist. Founder & Director of the Center for Child Behavior
Distinguished Research Professor of Psychology at Florida State University