Niki Tsironis is a byzantinist and graduate of King’s College London. Since 1998, she has been working at the Institute of Historical Research of the National Hellenic Research Foundation. She is an Associate in Byzantine Studies of the Centre for Hellenic Studies, Harvard University and an Adjunct Professor of Byzantine Studies at the Stavros Niarchos Foundation Centre for Hellenic Studies of Simon Fraser University, Vancouver. She is a member of the editorial board of the Etudes Balkaniques - Cahiers Pierre Belon of the Association Pierre Belon, Fondation Maison des Sciences de l’Homme, Paris. She specialises in the cult of the Virgin Mary, a topic on which she has published extensively. She is also leads two research projects of the NHRF on the Book in Byzantium and Orality and Performance in Greek Tradition.