Alexander Mattisseck (Author) Alexander Mattisseck is a psychologist with a background in clinical psychology as well as occupational and organizational psychology. He is a key partner in a well-established psychological practice in Berlin that offers cognitive-behavioral therapy, humanistic approaches, and both psychodynamic and psychoanalytic treatments for adults, children, and adolescents. His work is grounded in the psychodynamic approach of Analytic Intensive Counseling, which was initially developed in the tradition of brief psychoanalytic therapy. In addition, he has worked in organizational psychology in a hands-on, practice-based capacity, advising teams and organizations on psychological dynamics in the workplace. Gabriele Cassullo (Foreword by) Dr. Gabriele Cassullo is a member of the Italian Psychoanalytical Society and the International Psychoanalytical Association. He is a lecturer at the International Psychoanalytic University (IPU) in Berlin and serves as Co-Editor-in-Chief of the International Forum of Psychoanalysis.