Organizing committee member

• ITiCSE 2003: 8th Annual Conference on Innovation and Technology in Computer Science Education - Sponsored by the ACM Special Interest Group in Computer Science Education (SIGCSE)(Thessaloniki, Greece)
• 2nd DBTech.net Workshop: International workshop of the Database Technologies Network - TEI & University of Macedonia, 13-14 December 2001, Thessaloniki, Greece.

Program committee member

• ITiCSE 2002: 7th Annual Conference on Innovation and Technology in Computer Science Education - Sponsored by the ACM Special Interest Group in Computer Science Education (SIGCSE)(Aarhus, Denmark) (see photos from the Con ference).
• ICDE 2002: 18th International Conference On Data Engineering - Sponsored by the IEEE Computer Society (San Jose, California, USA).
• Panhellenic Conference on "Informatics and Education" 2000: University of Macedonia (Thessaloniki, Greece).
• ICDE 1999: 15th International Conference On Data Engineering - Sponsored by the IEEE Computer Society (Sydney, Australia).

Reviewer

• VLDB Journal
• ACM Transactions on Database Management Systems
• IEEE Transactions on Knowledge and Data Engineering
• Information Systems