Clark Baim, M.Ed., Dip. Psychodrama Psychotherapy has twenty five years of experience as a group facilitator and trainer. He is a fully qualified and registered psychotherapist (UK Council for Psychotherapy), and a registered Senior Trainer with the British Psychodrama Association. Clark is a forensic level coder of the Adult Attachment Interview (DMM version) and is in the process of becoming an accredited trainer of the AAI. He is a faculty member of the Family Relations Institute and a trainer mentor. In the 1990s, Clark worked as a group psychotherapist for five years at HM Prison Grendon, near Aylesbury, Bucks. From 2000 to 2012, Clark was contracted as Co-Lead National Trainer for the Probation Service’s Sexual Offending Groupwork Programmes in England and Wales. He is the author or co-author of several books and author of numerous chapters and articles on various aspects of psychotherapy, attachment-informed treatment, offender treatment, co-working, supervision, applied theatre and groupwork methods.