Doctor of Medicine, Justus-Liebig University, Giessen, Germany, 1993.
Doctor department ophthalmology Justus-Liebig University, Giessen, 1991-1993, clinical researcher, 1993-1996. Ophthalmologist Johannes-Gutenberg University, Mainz, Germany, since 1996, clinical professor Germany, 1999.
With Germany Army, 1983-1985. Member European Society Cataract and Refractive Surgery, American Society Cataract and Refractive Surgery, Association Research in Vision and Ophthalmology, American Academy Ophthalmology, International Society Refractive Surgeons.