| SYMPOSIA |
| 2007 | Icheon International Sculpture Symposium - Korea |
| 2007 | Dubai International Stone Sculpture Symposium - Dubai |
| 2004 | Istanbul International Stone Sculpture Symposium - Turkey |
| 2003 |
Iwate International Stone Sculpture Symposium - Japan |
| 2002 |
‘Symppetra International Sculpture Symposium’ - Portugal |
| 2001 |
'Makung International Sculpture Symposium’ – Taiwan |
| 2000 | ‘Guilin International Sculpture Symposium' - China |
| 1999 | ‘Hualien International Stone Sculpture Symposium - Taiwan |
| 1996 | ‘Argyll International’ - Scotland |
| 1994 | ‘Eurosculpture’ - Caraix, France |
| 1994 | ‘Sculptural Symposium’ organized by AEDE, Grees |
| 1992 |
’The Gate’ - stone symposium, Holland |
| 1990 | ‘Lindabrunn International Stone Sculpture ’ - Austria |
| 1987 | Leader of the ‘First National Steel Symposium’ - Bulgaria |
| 1985 | ‘Dunauivarosh International Steel Symposium’ - Hungary |
| 1981 | ‘Kosty’ - wood sculpture symposium, Bulgaria |
| 1978 | ‘Otmanly International’ - stone symposium |