Alexios G.C. Savvides (Athens, 1955) is Professor of Medieval and Byzantine history at Peloponnesos University (Kalamata-Greece), vice-chairman of the Committee for Pontic Studies (Athens), founding editor of the annual «Byzantinos Domos» (Athens-Thessalonica) and co-editor of the collective «Encyclopaedic Prosopographical Lexicon of Byzantine history and civilization» (Turnhout: Brepols). Formerly a researcher of Byzantine history at the Hellenic National Research Foundation (Athens) and a professor of Medieval and Byzantine history at Aegean University (Rhodes), he has published extensively, while he is a contributor to the «Encyclopaedia of Islam» (2nd & 3rd editions, Leiden: Brill) and to «The Crusades: an encyclopedia» (Santa Barbara: ABC Clio). His main research interests include Byzantium’s relations with the Turcophone peoples, Byzantine prosopography and genealogy, the history of Byzantine Pontus and the Empire of the Grand Comneni and the history and historical geography of Greek lands and islands in the Middle Ages and the early Ottoman domination period.