Course for Specialization in German Labor Law
 Course for Specialization in German Commercial and Company Law
 Intensive Course of Business Administration at the open university in Hagen
 Course for Specialization in German Tax Law
 Master-of-Law (Univ. of Ill.) (sponsored by the German Academic Exchange Service)
 Second Legal State´s Examination
 Dr. jur. (sponsored by the  Friedrich-Naumann foundation)
 First Legal State´s Examination (with predicate)
 Legal studies in Giessen, Genf, Freiburg