Tammi Walker is Principal of St Cuthbert’s Society and Professor of Forensic Psychology at Durham University. She is a Chartered Psychologist and Fellow of the British Psychological Society, Registered Senior Fellow with Advance HE and a mental health nurse by clinical background. Tammi has a visiting position at the Manchester University. She has spent extensive experience of researching and working in prison and secure care settings, including maximum security prisons for recidivistic sexual and violent offenders. She has completed work in this profession for over 17 years and has an advanced level of knowledge in forensic mental health, forensic psychiatry and forensic psychology. See grant information for more details. She is currently working as a series editor with Graham Towl (Durham University) on a new series entitied: New Frontiers in Forensic Psychology for Routledge. Tammi currently collaborates with a number of prison and secure care services.