Since 1991 Fine arts division of the Cultural Department of the City of Vienna; 1998 MUSA Museum on Demand, reorganization of the contemporary art collection; since 2003 Head of the fine arts division of the Cultural Department of the City of Vienna; 2003: (with Bernhard Denscher) Month of Photographie in Vienna / European Month of Photographie, since 2007 Head of the fine arts division Director of MUSA Exhibition space for the contemporary collection of the Cultural Department of the City of Vienna; Exhibition e.g. Oberösterreich, die Zeichnung im 20. Jahrhundert, OÖ Landesgalerie, Linz, Steyr 1999; Leopold Birstinger, Leopoldmuseum Vienna, 2003-2004; Mutations I-III, in the frame of the European Month of Photographie, MUSA and various institutions in Paris, Berlin Bratislava, Moscow, Rome, Luxemburg 2008-2010; The 1950s: Art and Art Appreciation in Vienna, MUSA 2009; The 1960s: Fantastic Modernism, MUSA 2011; Lieselott Beschorner. Between the Abstract and the Grotesque, MUSA 2011; Beauty Contest, ACFNY + MUSA, New York, Wien 2011-2012; The 1970s: Expansion of Viennese Art, MUSA 2013.