"Beyond the map: exploring socio-economic networks on a Byzantine island." Society for American Archaeology 79th Annual Meeting, Austin 2014. Organized session: Place and Space in a Digital Landscape: New Perspectives on Analyzing and Sharing Geospatial Data in Archaeology.
"Ethnic Ambiguity in the Byzantine World." Forty-Eight International congress on Medieval studies Kalamazoo, 2013. Conference Panel: The Archaeology of Early Medieval Europe: New Approaches to Ethnicity.
"Survey locally, think globally: Socio-economic strategies and spatial organization in the Late Byzantine rural landscape." Dumbarton Oaks, Dumbarton Oaks, Washington D.C., March 2013. Colloquium: Byzantine Survey Archaeology: Reflections and Approaches.
"Lords at the end of the Byzantine Empire." 77th Annual Meeting of the Society for American Archaeology, Memphis, April 2012. Conference Panel: Power at the Limits of Authority.
"Identities and Placemaking in the Byzantine world." Invited lecture at Princeton University, January 2012.
(together with Joanita Vroom): "A tale of four cities: Adventures into the Dark Ages." University of Amsterdam, October 2011. Conference: Fact and fiction In Medieval and Post-Medieval ceramics in the Eastern Mediterranean. Are we on the right track?
(together with Joanita Vroom): "Cityscapes and Landscapes: From Dark Age Athens to Late Medieval Butrint." XXII International Congress of Byzantine Studies; Sofia, August 2011.
"Identities in Context: Social Belonging and the Built Environment in Byzantium." Dumbarton Oaks, Washington D.C., March 2011. Colloquium: The Byzantine Self: Text, Images, Objects.
"Meeting the locals: Peasant families in thirteenth century Lemnos." King's College, London, June 2010. Colloquium: Liquid and Multiple: Individuals and Identities in the Thirteenth Century in the Aegean.
with Susan E. Alcock, John Cherry, Sylvian Fachard and Alex Knodell: Archaeologies of Greece: State of the Field 2013. Brown University, March 2013
with Joanita Vroom: Fact and fiction In Medieval and Post-Medieval ceramics in the Eastern Mediterranean. Are we on the right track? University of Amsterdam, October 2011.
with Mary Cunningham and Vera Andriopoulou: Sailing from Byzantium: Themes and Problems in Sylvester Syropoulos's Memoirs, Book IV. University of Birmingham, June 2009.