Initially he worked in the computer industry before retraining in 1990 as a clinician. His initial work was in the field of addictions and then later specialising in Personality Disorders. He was a founding member of the Dialectical Behaviour Therapy (DBT) team at IPTS in 1997 and started integrating ACT into the service from 1999. He works privately in addictions running ACT based programs and, also, developing training in ACT. He has been a Buddhist for over 15 years and teaches a Mindfulness Based Stress Reduction (MBSR) course that uses meditation techniques to help patients with chronic pain.