Leam Craig is a Consultant Forensic Clinical Psychologist in private practice, and Professor of Forensic Psychology at the University of Birmingham, UK. He is the co-author of Assessing Risk in Sex Offenders (Wiley-Blackwell, 2008), and a co-editor of the Wiley-Blackwell titles Assessment and Treatment of Sex Offenders (2009), Assessment and Treatment of Sexual Offenders with Intellectual Disabilities (2010), International Perspectives on the Assessment and Treatment of Sexual Offenders (2011) and Assessments in Forensic Practice: A Handbook (in press).

Louise Dixon is Senior Lecturer in Forensic Psychology at the University of Birmingham, where she is Course Director of the Continued Professional Development route to the Doctorate in Forensic Psychology Practice. Louise's research interests centre on intimate partner violence, child maltreatment and aggression in groups, and she has published many articles and book chapters in these domains. Louise sits on the Editorial Board of several international journals including Child Maltreatment and the British Journal of Forensic Practice.

Theresa A. Gannon is Director of the Centre for Research and Education in Forensic Psychology (CORE-FP) and Professor of Forensic Psychology at the University of Kent, UK. She is lead editor of the Wiley-Blackwell books Aggressive Offenders' Cognition (2007) and Female Sexual Offenders (2010), and is also the co-editor of Public Opinion and Criminal Justice (Willan, 2008) and Firesetting and Mental Health (RCPsych, 2012).