Professor Dr. Franz Ruppert is a professor of psychology in Munich, where he runs his own institute for further education and training, alongside his psychotherapy practice.Through hands-on experience, he has developed his Identity-oriented Psychotrauma Theory (IoPT) over the past thirty years of professional work.He has presented his theory, and highly effective therapy method that accompanies it, in ten books so far, and these have been translated into twelve different languages. He works internationally and is one of the leading and best-known trauma therapists in the world.