Peter trained in Psychodrama Psychotherapy at the Holwell Centre, qualifying in 1983.He gained an MSc in Psythodrama Psychotherapy in 2015. He is a founder member of the British Psychodrama Association, is Registered as a Senior Trainer and is a trainer with th Oxford School of Psychodrama and Integrative Psychotherapy. He retired from his post of Consultant Psychodrama Psychotherapist in the NHS in 2008. He currently has an honorary contract with the NHS and works two days a week in the Aylesbury Therapeutic Community, where he co-runs a psychodrama group.