Prof. Dr. Rainer Sachse is a licensed psychologist, psychological psychotherapist, founder of "Clarification-Oriented Psychotherapy," and director of the Institute for Psychological Psychotherapy (IPP) in Bochum. His areas of focus include personality styles and personality disorders. He has authored numerous books on psychotherapy and personality disorders, including several satirical guides on how to ruin one's relationship, career, and life. Rainer Sachse has a talent for making complex psychological concepts accessible to a wide audience and presents them in a humorous and empathetic manner.