• “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


  • “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


  • “Burying the Gods: depositing statues in Late Antiquity” Rome, AAR 2007
  • “Rock-cut monastic settlements in the North-eastern Balkans. An introduction” AAR 2007


  • “Statue Burials in Late Antiquity: hiding from Christians or ritual depositions” ASCSA Athens 2006


  • “The Greek cities and the coming of Rome: public benefactions bestowed upon Romans” Columbia University 2003


  • “Tanais, the Don and the treaty of Apamea” Columbia University 2002

  • “Euergetai and cities: social interaction in Greek inscriptions in the Black Sea” Institute of Archeology, 2000


  • “Polybius and Scipio Aemilianus, or the image of the perfect politician”, University of Bucharest 1999