| since 2006 | Vicerector of the University |
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| 1988 - 1989 | Dean of the Faculty of Physics |
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| 1995 - 1999 | Studiendekan of the Faculty of Physics |
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| 2002 | Dean of the Faculty of Physics |
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| 2002 - 2004 | Dean of the Faculty of Mathematics and Physics (Spokeman of the dean) |
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| 1988 - 1998 | Member of the EDV-commission of the University |
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| since 1999 | Member of the commission for research topics |
