Sudjelovao je na mnogim međunarodnim simpozijima na kojima je održao izlaganje: Međunarodni simpozij konzervacije spomenika kulture i urbanizma u Krakowu (1984. i 1989.), Transformation of the City, ILAUD u Brusselu (1987.), Post War Reconstruction and Conservation in Croatia u Londonu i Yorku (1992.), Theatre Architecture of the Late 19 th Century in Central Europe u Krakowu (1993.), Art Around 1900 in Central Europe u Krakowu (1994.), Mayors and City Halls - Local Government and the Cultural Space in the Late Habsburg Monarchy u Krakowu (1995.), The Historical Metropolis - A Hidden Potential u Krakowu (1996.), Death - Space - Time - Identity in Central Europe Around 1900 u Krakowu (1996.), Restauro dei monumenti nei paesi dell ' Est u Trstu (2000.), International Conference on Heritage Preservation u Krakowu (2000.) i Cities Places of Common Memory in CEI Region u Krakowu (2003.).