“Burying the Gods: depositing statues in Late Antiquity” Istanbul, RCAC 2010
“Between Deconsecration and Hiding: Different Models for the Historical Interpretation of Statue Depositions in the Late Roman World” Istanbul RCAC 2010
“Praying without statues? Paganism after the closure of temples in Late Antiquity” Toronto, IAHR Congress 2010
“Christian Viewers of Pagan Images: Considerations on the Accounts of Active Pagan Shrines and their Statues in the Writings of Church Fathers” Erfurt 2010
2009
“Considerations of the statue deposit at Tomis and its parallels in Late Antiquity” Bucharest 2009
“Writing on the wall: pilgrim graffiti as testimonia of religious changes in Late Antiquity” Bucharest 2009
2007
“Burying the Gods: depositing statues in Late Antiquity” Rome, AAR 2007
“Rock-cut monastic settlements in the North-eastern Balkans. An introduction” AAR 2007
2006
“Statue Burials in Late Antiquity: hiding from Christians or ritual depositions” ASCSA Athens 2006
2003
“The Greek cities and the coming of Rome: public benefactions bestowed upon Romans” Columbia University 2003
2002
“Tanais, the Don and the treaty of Apamea” Columbia University 2002
2000
“Euergetai and cities: social interaction in Greek inscriptions in the Black Sea” Institute of Archeology, 2000
1999
“Polybius and Scipio Aemilianus, or the image of the perfect politician”, University of Bucharest 1999
