Doctor of Philosophy, University Heidelberg, Federal Republic Germany, 1987.
Curator Vortaunus Museum, Oberursel, Federal Republic Germany, 1973-1974. Member Uruk-Warka expedition German Institute Archaeology, Baghdad, Iraq, 1974-1975, member Merimde expedition Cairo, 1977. Head Tell Uqair expedition University Heidelberg and State Organization Antiquities, Iraq, 1978.
Head exhibition Uruk-Warka Collection, Heidelberg, Federal Republic Germany, since 1985. Member Oman expedition German Minining Museum, Bochum, Federal Republic Germany, 1988.
Member History Society Oberursel (board directors 1973-1974), American Institute for Yemeni Studies, Deutsche Orient-Gesellschaft.
Married Sárika Petrás, December 17, 1985. Children: Monika, Zoltán, Madlena.