Yona Waksman and Alessandra Pecci, together with Nikos Kontogiannis, Giannis Vaxevannis, Stephie Skartsis from the Byzantine Ephoria of Chalkida, investigate medieval Byzantine amphorae for their origins and contents.

Byzantine and Ottoman table wares were also selected for analysis in the material of the American Excavations in the Athenian Agora, in collaboration with Joanita Vroom and Elli Tsavella, to investigate the pottery production in Athens in these periods.