Giorgio Nardone is the director of the Centro di Terapia Strategica (Strategic Therapy Center) and of the Post Graduate School of Brief Strategic Psychotherapy in Arezzo. He is also professor of Brief Psychotherapy at the Post Graduate School of Clinical Psychology, University of Siena, Italy. Paul Watzlawick, Ph.D., is one of the world's leading theoreticians in communication theory and radical constructivism. He participates in the Mental Research Institute's Brief Therapy Centre and also offers workshops on the Therapy of "As-If."