Dr. Dimitris Karagiannis M.D. , Ph.D. : Child Psychiatrist, Existential Family and Group Psychotherapist. Senior Trainer and Supervisor on Marriage and family therapy. Professor of Family therapy in Frederick University Nicosia Cyprus. Chairman of Athens Child Mental Health Centre, the first Greek public organization with Systemic Approach and Supervisor of the Training Program. Chairman of the Therapeutic and Educational Institute of Systemic and Existential Approach “Antistixi”. Member of the European Family Therapy Association (EFTA). Founding member of the Hellenic Association for Systemic Therapy (HELASYTH), President of the Hellenic Federation for Systemic and Family Therapy (ETHOS). Founding Member and First Secretary of the Hellenic Society of Child and Adolescent Psychiatry. Author of the books: “Cracks and Touches” (11th edition), “The Injustice that Hurts” (29th edition), “Love or Nothing” (25th edition), “Does the human being change? (18th edition) ” and as his doctoral dissertation “School denial: research on the child’s and family’s dynamics”.