Jean Addington completed her PhD at the University of Calgary, Alberta. She is currently Director of the PRIME Clinic and Director of Psychosocial Treatments in the First Episode Psychosis Program at the Centre for Addictions and Mental Health in Toronto, Canada. She is also an Associate Professor in the Department of Psychiatry, University of Toronto.

Shona M. Francey is a clinical psychologist with 20 years’ experience in public mental health. She began working in the field of early intervention for psychosis when the Early Psychosis Prevention and Intervention Centre (EPPIC) was first established in 1992 in Melbourne, Australia. Within the SPPIC programme she worked as a case manager, COPE therapist and Group Programme leader.

Anthony P. Morrison is a Reader in Clinical Psychology at the University of Manchester and is also a Consultant Clinical Psychologist in a specialist programme of care for people with early psychosis in Salford and Trafford. He has published a number of articles on trauma and psychosis, cognitive therapy for psychosis and experimental studies of cognitive processes in psychosis, and has been involved in a number of treatment trials for cognitive therapy for early psychosis and the prevention of psychosis.