लेखक: Stefanie Bilen

Dr. Wladimir Klitschko is a former boxer who achieved worldwide fame as world heavyweight champion, having gained the IBF, IBO, WBO and WBA titles. Having earned a degree in Philosophy and a Ph D in sports science, he is a lecturer at the University of St. Gallen as well as a successful entrepreneur. Stefanie Bilen is a journalist and author. She has worked for magazines and newspapers such as Handelsblatt, the Harvard Business Manager and the Wall Street Journal. She holds a degree in Business Studies and studied Business Journalism at the Georg-von-Holtzbrinck School for Business Journalists. She enjoys sailing and running but is yet to try boxing.