Jürgen Kriz is Professor of Psychotherapy and Clinical Psychology at the University of Osnabrück and guest professor at several universities in Europe and the USA. He is a practising psychotherapist, supervisor and Chairman of the Scientific Council of the Person-Centred Society in Germany (GwG). Among other honours, Kriz received the ‘Grand Viktor Frankl Award of the City of Vienna’ for his life’s work, which has won international acclaim in the field of humanistic psychotherapy.