Dr Dionysios Sourelis, CPsychol is a chartered counselling psychologist and UKCP registered existential psychotherapist based in Athens, Greece. He is the owner and scientific director of the centre «Purpose of Existence – Λόγος Ύπαρξης» where he delivers existential therapy for adults and adolescents as well as training and supervision for mental health practitioners. Along with his colleagues he provides interdisciplinary special education and therapeutic support to children and their families. Dr Sourelis also teaches and supervises doctoral students in the New School of Psychotherapy and Counselling, a partner institute of Middlesex University London, UK.