Georgios A. Leveniotis (b. 1974, Heraklion Crete) is “Doctor of Philosophy” (B.A. History, M.A. & Ph.D. Byzantine History). He completed his Doctoral dissertation, dedicated to the study of the political collapse of Byzantium in the East during the 11^th c. CE, at Aristotle University of Thessaloniki (2007). Since 2016 he serves as an Assistant Professor in Byzantine History at Aristotle University of Thessaloniki (School of History and Archaeology – Faculty of Philosophy). He previously served as a Lecturer at the same Institution (2009-2016). He has also taught Byzantine History in graduates at Byzantine Research Center of Thessaloniki (2010-2014) and in post graduate students at the National Hellenic Research Center (Athens 2014, 2016, 2019).

G.L. has made in-person presentations at several national and international historical conferences (Thessaloniki, Sofia, Belgrade, Venice et al.). He was also a chairman of the “Thematic Session of Free Communications: Τhe Byzantine Sea” at the 23^rd International Congress of Byzantine Studies (Belgrade, 22-27 August 2016).

G.L. has published three major monographs (printed books): (1) Το στασιαστικό κίνημα του Νορμανδού Ουρσελίου στη Μικρά Ασία (1073-1076) / Τhe rebellious movement of Norman Roussel (Ursel de Bailleul) in Asia Minor, 1073-1076 AD (in Greek, Thessaloniki 2004). (2) Η πολιτική κατάρρευση του Βυζαντίου στην Ανατολή. Το ανατολικό σύνορο και η κεντρική Μικρά Ασία κατά το β´ ήμισυ του 11^ου αι. (in Greek, 2 volumes, Thessaloniki 2007). (3) H Άβυδος του Ελλησπόντου και η περιοχή της / Abydos of Hellespont and Its region (in Greek with an English summary, Thessaloniki 2017). He has also compiled and posted in https://opencourses.auth.gr/courses/OCRS403/ a comprehensive online manual of Byzantine History, which covers the period between 324-1081 CE (in Greek, Thessaloniki 2015). Moreover, he has published several articles and entries, including: “Τhe Edict of Abydos. Comments and Remarks on the Chronology and Content” (Thessaloniki 2010-2011), “Οbsequentes – privatum obsequium – Obsequium – Obsequioν – Οpsicion – Οψίκιον. Τhe Evolution of a Technical Term and the Early Period of Opsikion” (Τhessaloniki 2011), “Giustiniani Longo, Giovanni-Guglielmo” (Turnhout 2013), “Himerios” (Turnhout 2013), “The Dating of the Slavic Settlements in the Balkans and the Byzantine Sovereignty in the Area during the 7^th Century AD” (Nis 2013), “The Office of «Epeiktes» and Its Responsibilities in the Late Roman and Byzantine Times (3^rd – 11^th c. AD)” (Thessaloniki 2013), “«Such carnage in one place had not occurred before in Byzantium»: the battle of Hades (20 August 1057 CE) and its repercussions” (Abingdon, Oxon – New York 2020). Finally, he has translated in Greek the historical handbook of colleague professor Warren Treadgold, A Concise History of Byzantium, New York 2001 (Βυζάντιο. Eπίτομη Iστορία, Thyrathen editions, Thessaloniki 2007).