Alfons Aichinger, Head of the Caritas Association’s Psychological Counselling Centre for Parents, Children and Youth in Ulm, Germany for 37 years; Supervisor and Head of Advanced Training at the Moreno Institut in Stuttgart and the Szenen Institut in Cologne, Germany.

Walter Holl, Child and adolescent psychotherapist in Ulm, Germany and Head of Advanced Training at the Moreno Institut in Stuttgart, Germany.