Exhibitions (Selection)
1986 "Opere Prime", S. Agostino, Pietrasanta, Italy (group)
1988 Moss Kunst Galleri, Moss, Norway (group)
1989 Tainan International Sculpture Symposium, Taipei, Taiwan
1990 Trammell Crow Center, Dallas, Texas (solo)
1991 "Torenhoog", Esplanada, Eindhoven, The Netherlands (group)
1992 "Lievelingswerken III", Phoebus, Rotterdam (group)
"Op persoonlijke titel", Aleph, Almere, The Netherlands (group)
"Protectors", Bloom Gallery, Amsterdam (group)
1993 Phoebus, Rotterdam (group)
1994 "Kunst in der Abtei", Cologne-Brauweiler (group)
1995 "Unsterblichkeit, nun bist du mein", Moltkerei Werkstatt, Cologne (group)
"Gruppo Internazionale d'Arte", S. Agostino, Pietrasanta, (group)
"Über Musik", Galerie Joachim Blüher, Cologne (group)
1996 "Edition Zufall, 1984-1996", Galerie am Werk, Leverkusen (group)
"Essendelikatessen", Galerie Joachim Blüher, Cologne (group)
"The Dogma Project"-Internet Installation, Moltkerei Werkstatt, Cologne (group)
"Blumen", Galerie Joachim Blüher, Cologne (group)
1997 "Das Glauben, das Wissen und der Zweifel", with B. Gruber and U. Tillmann,
Watertoren H.K., Vlissingen, The Netherlands
"Arkadia-Südlichen Ort", Galerie Joachim Blüher, Cologne (group)
"The Dogma Project"-Internet Installation,Ortungen, Münster (group)
1998 "Malerei jenseits der Malerei", Ursula-Blickle-Stiftung, Kraichtal (group)
"Artbridge", Kunstverein Hürth, Cologne-Hürth (group)
1999 "Hakenovsky's Little Nap", Moltkerei Werkstatt, Cologne (solo)
2000 Skulpturengarten Sürth, Cologne-Sürth (group)
Skulpturenpark Hans Doorn, Schlüchtern-Elm, Germany (group)
"Gegen den Strich", Sammlung Mies, Museum Ludwig, Cologne (group)
2002 "Burning Boots", interno&dumdum, Bologna (solo)
"Burning Boots/Defining Moments", with J. Symons, Galerija Miroslav Kraljevic´, Zagreb
"40th Polyphonix Festival of Polypoetry and Multimedia Art", Centre Pompidou, Paris