Professor Ph.A.E.G. (Philippe) Delespaul is professor in Innovations in Mental Health Care at the University of Maastricht (department of Psychiatry and Psychology). He works as a clinical psychologist at the Mondriaan Mental Health Trust in Maastricht/Heerlen and as program leader for Integrated Care and Psychotic Disorders. He is a member of the board at the CCAF and (F)ACT-Nederland. He is working on mental health service development and has a special interest in (determinants of) symptom variability in persons with a psychotic disorder.