| 1990 | M.A.U.S. | Neusiedl am See | Austria |
| 1991 | Light and shadow | Neusiedl am See | Austria |
| 1992 | Summer academy | Antwerp | Belgium |
| 1992 | Die Elemente | Neusiedl am See | Austria |
| 1993 | Ketten | Neusiedl am See | Austria |
| 1994 | Gegen Gewalt – Krieg und Hass | Neusiedl am See | Austria |
| 1995 | Line for peace | Neusiedl am See | Austria |
| 1995 | I. International graphic art symposium | Moravany nad Váhom | Slovakia |
| 1996 | Texte fűr den Frieden | Neusiedl am See | Austria |
| 1996 | II. International graphic art symposium | Moravany nad Váhom | Slovakia |
| 1997 | III. International graphic art symposium | Moravany nad Váhom | Slovakia |
| 1997 | Summer academy | Topoľčianky, castle | Slovakia |
| 1997 | Brűcke fűr den Frieden | Neusiedl am See | Austria |
| 1997 | II. Ägyptische Internationale Triennale der Graphic | Cairo | Egypt |
| 1998 | Summer academy | Topoľčianky, castle | Slovakia |
| 1998 | Summer academy | Neusiedl am See | Austria |
| 1998 | Ars Alpin Achenkirch – “Fenster zur Kunst” | Achensee | Austria |
| 1999 | Summer academy | Topoľčianky, castle | Slovakia |
| 1999 | IV. International graphic art symposium | Moravany nad Váhom | Slovakia |
| 1999 | Sommerakademie – Kleine Galerie | Lauda | Germany |
| 1999 | Baum des Lebens | Neusiedl am See | Austria |
| 2000 | Begegnung | Neusiedl am See | Austria |
| 2000 | Borl | Borl, castle | Slovenia |
| 2001 | V. International graphic art symposium | Moravany nad Váhom | Slovakia |
| 2002 | VI. International graphic art symposium | Moravany nad Váhom | Slovakia |
| 2003 | International painting symposium | Mojmírovce | Slovakia |
| 2006 | I. International painting symposium Olšany Color | Olšany | Czech Republic |
| 2009 | International painting symposium | Luxor | Egypt |
| 2010 | IV. International painting symposium Olšany Color | Olšany | Czech Republic |
| 2011 | VII. International painting symposium | Mojmírovce | Slovakia |
| 2014 | IX. International painting symposium | Mojmírovce | Slovakia |
