Peter Buchenau was an interim manager for more than a decade, including five years as a strategic sales manager in several medium-sized companies in Germany and abroad. He has also been active in the international market for 30 years as an executive, sparring partner and speaker with a focus on human leadership intelligence, personal development and corporate health. He is the author of several books, a series editor and a lecturer at several universities. He also performs on stage as a revue artist.