Aug. 1996 to Sept. 1998 laboratory head and project leader at Hoechst Corporate Research in Frankfurt. Oct. 1998 to Feb. 2004 research associate (Habilitand/Privatdozent; habilitation completed Nov. 2002) at the Freiburg Materials Research Center and Institute of Macromolecular Chemistry of Albert-Ludwigs-University Freiburg. Since March 2004 full professor (C4) at Konstanz University, Chair of Chemical Materials Science.