From 1993 until 1999 he has been working as scientific worker at the Moses Mendelssohn Center for European-Jewish Studies and later as assistant professor for modern history at the University of Potsdam.
Od 1993. do 1999. radio je kao naučni saradnik u Centru Mozes Mendelson za evropsko-jevrejske studije, a zatim kao naučni asistent za savremenu istoriju na Univerzitetu u Potsdamu.