- 1997 ΣTΕΦΑΝΩΙ ΣΤΕΦΑΝΟΝ.
A Day of Attic Epigraphy in honor of the late Stephanos N. Koumanoudes,
(Athens, 6 December 1997).
- 1998 The New (Third) edition of the Attic Post-Eucleideian Inscriptions.
International Conference in memory of K. S. Pittakes on the occasion of the 200th anniversary of his birthday (1798).
(Athens, 8-9 June 1998).
- 2000 ΑΤΤΙΚΑΙ ΕΠΙΓΡΑΦΑΙ
International Conference in memory of A. Wilhelm (1864-1950), organized in collaboration with the Austrian Archaeological Institute and the Epigraphical Museum of Athens
(Athens, 2-4 November 2000).
- 2002 ΧΙΑΚΟΝ ΣΥΜΠΟΣΙΟΝ
International Symposium in memory of W. G. Forrest (1925-1997), organized in collaboration with the 20th Ephrate of Antiquities.
(Chios, 2-4 May 2002).
- 2005 ΜΙΚΡΟΣ ΙΕΡΟΜΝΗΜΩΝ
International Symposium in memory of Professor M. H. Jameson, organized in collaboration with the American School of Classical Studies.
(Athens 16 June 2005).
- 2005 ΨΥΧΑΣ ΕΧΟΝΤΕΣ ΚΥΜΑΤΩΝ ΕΝ ΑΓΚΑΛΑΙΣ
« The archaeological research on the Aegean islands in the last thirty years».
A conference in memory of N. M. Kondoleon (1910-1975) in collaboration with the department of History and Archaeology of Athens University.
(Athens, 15 December 2005).
- 2006 ΑΤΤΙΚΑ ΕΠΙΓΡΑΦΙΚΑ
International Conference in honor of Professor Christian Habicht on the occasion of his 80th birthday.
(Athens, 3-5 April 2006)
- 2006 INSCRIPTIONS AND HISTORY OF THESSALY. NEW EVIDENCE.
International Symposium in Honor of Professor Christian Habicht, in collaboration with the Department of History, Archaeology, and Social Anthropology (University of Thessaly), and the Archaeological Institute of Thessalian Studies.
(Volos, 7-8 April 2006)
- 2010 Η ΤΩΝ ΑΘΗΝΑΙΩΝ ΑΡΧΗ
«The Athenian Empire: Old and New Problems»
International Conference in honor of Professor Harold B. Mattingly organized in collaboration with the British School at Athens
(Athens, 21-23 May 2010).