Author for publishing houses Gütersloher Verlagshaus, Hoffmann & Campe, Droemer, Heyne, Rowohlt, Ullstein. Translations for Droemer, Econ, Heyne, Goldmann, Rowohlt, Ullstein.Freelance journalist (author, copy editor) for publishing houses Bauer, Burda, Condé Nast, Milchstraße, Gruner & Jahr, Jalag, Springer. Seminars for Management Circle, Prowitec (University of Bern, Switzerland).