Born 1942 in Vienna, lives in Vienna, works as exhibition curator and author in the field of contemporary art and architecture 

1990-1994: Managing director of the MuseumsQuartier Errichtungs- und Betriebsgesellschaft Vienna 
2005: Habilitation at the Institute for art history at the University of Vienna 

Functions
Austrian Friedrich and Lillian Kiesler Private Foundation, Vienna: Chairman of the board
New Museum of Contemporary Art, New York: Trustee
Art Museum Liechtenstein, Vaduz: Member of the international advisory board

Collection
Kunstraum Buchberg, Schloss Buchberg am Kamp, along with Dr. Gertraud Bogner 
Permanent installations and collection of constructive and conceptual art: Dan Graham, François Morellet, Roland Goeschl, John Hilliard, Stanislav Kolibal, Heimo Zobernig u.a.