“Apariţia slavilor, 14 ani mai târziu. Consideraţii privind slavii timpurii în Europa central-răsăriteană,” lecture in the Department of History, Patrimony, and Protestant Theology (“Lucian Blaga” University, Sibiu, March 3, 2015)
“Avar Blitzkrieg, Bulgar and Slavic raiders, and Roman special ops: mobile warriors in the 6th-century Balkans,” lecture for the Department of Archaeology seminar series on “Mobility” (University of Reading, October 29, 2015)
“Counterfeiting the substantivist vs. formalist debate. Remarks on the broad implications of the economic and funerary uses of imitations,” paper presented at the international conference on “Early medieval imitational coinages” (Royal Coin Cabinet, Stockholm, November 7, 2015)
“East Central Europe: the gate to Byzantium.” Byzantinische Zeitschrift 108 (2015), no. 2: 1-42.
“Ethnicity, archaeology, and nationalism. Remarks on the current state of research,” lecture at the Institute of History of the Pontificia Universidad Católica de Valparaíso (Viña del Mar, Chile, June 1, 2015)
“Ethnicity in medieval archaeology,” lecture for the seminar on theory in archaeology (University of Reading, November 30, 2015)
“Etnicitate, arheologie şi nationalism. O privire asupra cercetărilor din ultimul deceniu,” lecture in the Institute for Social and Human Studies (“Lucian Blaga” University, Sibiu, March 2, 2015)
“Europa central-răsăriteană ca poartă spre Bizanţ (până la mijlocul secolului al XIII-lea),” lecture in the Department of History, Patrimony, and Protestant Theology (“Lucian Blaga” University, Sibiu, March 3, 2015)
“Four questions for those who still believe in prehistoric Slavs and other fairy tales.” Starohrvatska prosvjeta 120 (2015): 286-303.
“Imaginea vlahilor la cronicarii Cruciadei a IV-a. Până unde răzbate ecoul discuțiilor intelectuale de la Constantinopol?” Arheologia Moldovei 38 (2015): 25-68.
“Imaginea vlahilor la cronicarii cruciadei a IV-a: până unde răzbate ecoul discuţiilor intelectuale de la Constantinopol?” lecture for the “Serile Sibiului” series (Café Wien, Sibiu, March 4, 2015)
Interview for La Tercera, Chile (June 10, 2015). Publisher’s version
Interview for the Long History of Identity, Ethnicity and Nationhood Research Network, Oxford Research Centre in the Humanities (December 3, 2015)
“Of amphorae and seals: the ‘sub-Byzantine’ Avars and the quaestura exercitus,” paper presented at the workshop “Material culture in Late Antiquity: continuities and change,” University of Florida, Gainesville, February 7, 2015
“Postcards from Maurilia, or the historiography of the Dark-Age cities of Byzantium,” keynote address for the American Research Center in Sofia conference “Town and Country in the Byzantine World. Social and Economic Perspectives” (American Research Center in Sofia, Bulgaria, May 7, 2015)
“Quaestura exercitus şi avarii: o legătură nebănuită?” lecture at the Museum for Transylvanian Ethnography (Cluj-Napoca, March 5, 2015)
Review of Ethnos et droit dans le monde proto-byzantin, Ve-VIe siècle: Fédérés, paysans et provinciaux à la lumière d’une scholie juridique de l’époque de Justinien, by Avshalom Laniado (Geneva, 2015), in Journal of Late Antiquity 8 (2015), no. 2, 441-442.
Review of Central Europe in the High Middle Ages: Bohemia, Hungary, and Poland, c. 900-c. 1300, by Nora Berend, Przemysław Urbańczyk, and Przemysław Wiszewski (Cambridge, 2013), in The Medieval Review 15.04.19.
Review of Military Saints in Byzantium and Rus, 900-1200, by Monica White (New York, 2013), in American Historical Review 120 (2015), no. 1, 319-320.
“The coming of the Dark Ages to Europe: the case of the Balkans,” lecture in the Department of History (University of South Florida, Tampa, March 20, 2015)
“The current state of research on the earliest Slavs in the Balkans,” lecture at the Institute of History of the Pontificia Universidad Católica de Valparaíso (Viña del Mar, Chile, June 2, 2015)
“The Enisala grave: bioarchaeology, social status, health care, and ethnicity in early 7th-century Dobrudja (Romania),” lecture for the Department of Archaeology research seminar series (University of Exeter, October 16, 2015)
“The making of the Slavs, 14 years later. New remarks on the history and archaeology of the early Slavs in the Balkans, 6th to 7th centuries),” lecture at the American Research Center in Sofia (Sofia, Bulgaria, May 11, 2015)
“The reinvention of the Middle Ages in the Romanian rock music, 1960-1975,” lecture at the Pontificia Universidad Católica de Chile (Santiago de Chile, June 5, 2015)
“The Vlachs in the French Chronicles of the Fourth Crusade, Constantinople, and the echo chamber,” lecture for the Late Antique and Byzantine Studies Seminar (Ioannou Center for Classical and Byzantine Studies, Oxford, November 25, 2015)
“The Vlachs and the Fourth Crusade,” lecture for School of History, Archaeology, and Religion seminar series (University of Cardiff, November 17, 2015)
“Trade and settlement in al-Andalus and Volga Bulgharia (10th-11th c.),” lecture for the School of Archaeology research seminar series, Institute of Archaeology, Oxford (Oxford, November 2, 2015)
“Troubling crusade: the Vlachs as Saracens in the Chronicle of Robert de Clari,” paper presented at the 50th International Congress on Medieval Studies, Kalamazoo, May 14-17, 2015
“Was there a Byzantine reconquista in Greece between the 8th and the 11th century?” lecture for the international seminar “El Mediterráneo oriental en época medieval” at the Centro de Estudios Avanzados of the Pontificia Universidad Católica de Valparaíso (Santiago de Chile, June 10, 2015)