Nossrat Peseschkian, M.D., D.M., born in 1933 in Iran, since 1954 in Germany, is a neurologist, psychiatrist and psychotherapist, the founder of Positive Psychotherapy, and founder of the Wiesbaden Academy of Psychotherapy, a German-state licensed postgraduate institute of psychotherapy. He is a prolific lecturer and a writer of more than 20 different psychotherapeutic books translated into many languages. He is a honorary professor. The method of Positive Psychotherapy is a humanistic psychodynamic method, with centers and institutes in more than 20 countries world-wide.