Naftemporiki, Athens, December 2005
Naftemporiki, Athens, September 2004
European Taxation, IBFD, Amsterdam, April 2003
European Taxation, IBFD, Amsterdam, February 2002
IBFD, Amsterdam, December 2001
Naftemporiki, Athens, December 2001
Salzburg, October 2000
Naftemporiki, Athens, April 2000
Conference on Protection of Software in Greek Law, Athens, February 1988
Eurinfo 88, Athens, 1988
Contribution in “The Professional’s Guide to International Tax”, Sethawk Publishing Limited, London, 1994