The new book? The Expert Formula? (207 p.). It is the guide for your digital expert business! 16 top coaches wrote: Bodo Schäfer, Calvin Hollywood, Dirk Kreuter, Felix Thönnessen, Gönül Pehlivan, Hermann Scherer, Jörg Löhr, Jürgen Höller, Laura Malina Seiler, Prof. Dr. Lothar Seiwert, Miriam Höller, Marcel Knopf, Markus Hofmann, Dr. Renée Moore, Dr. Stefan Frädrich and Tobias Beck!
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