Armon Tamatea is a clinical psychologist who served as a clinician and senior research advisor for the Department of Corrections (New Zealand) before being appointed senior lecturer in psychology at the University of Waikato where he has been involved in the post-graduate diploma of clinical psychology programme. Armon has worked extensively in the assessment and treatment of people with histories of serious violence and sexual offending, and contributed to the design and implementation of an experimental prison-based violence prevention programme for high-risk offenders diagnosed with psychopathy. His current research focus involves understanding and reducing violence in New Zealand prisons.