1982 | Performance in Artothek Colonia ( D ) Performance " Glas und Music " Galerie Thiemann" Neuwied mit Jan Fryderik Dobrowolski ( Jazz Piano ) | |
1984 | International Glass Congress " Glas und Architektur " Sars-Poterie ( F ) " International Glass Congress and Workshop - Sunderland ( GB ) | |
1986 | Installation " Utopoli " : - LandesMuseum Oldenburg ( D ) - Ecole des Arts Decoratifs - Geneve ( CH ) | |
1988 | Installation " Intermezzo " : Kunstmuseum Düsseldorf ( D ) Installation " Utopoli " : Istituto Cultura Italiano a Colonia ( D ) | |
1991 | Installation " la tavola rotonda " : Espace Duchamp-Villon a Rouen ( F ) Installation " Dreiklang " Glas, Klang, Licht " in München ( D ) Installation " Utopoli " : Städtische Galerie in Gladbeck ( D ) | |
1996 | International Artist in Residence : College of Art and Design Guernsey ( GB ) | |
1997 | Installation " Canal Grande a Venezia" - Biennale Internazionale del Vetro (I) | |
1999 | Installation und Skulpturen inder Stadt.. Sant´Agata dei Goti ( I ) | |
2004 | Installation " Glas, Licht, Kohle ) " Schloss Museum Ludwig - Oberhausen ( D ) International Artist in Residence - College of Art and Design Guernsey ( GB ) | |
2011 | Biennale du Verre a Venezia ( I ) - Installation Skulpturen in Palazzo Bru Zane Installation " Utopoli " : Musée d´Art Moderne Würth - Erstein ( F ) |