Active committee member Friedrich-Naumann Foundation, since 1987, German National Theatre Weimar and Staatskapelle Foundation, since 2001. Curator Hans-Meinecke Foundation, since 1989, Citibank Foundation, 2000-2004. Member executive board Ernst-Abbe Foundation, 1992-1904, Kultur Foundation Jena, since 2001.
Educational director Thuringian Academy Administration and Business, Erfurt, since 1992. Member City Parliament, 1999-2004. Member advisory board Federal Association German Foundations, since 2001.
Member Saxonian Academy of Sciences, Rotary (president Jena chapter 1995-1996).