Viacheslav V. Lytvynenko is Professor of Greek Patristics and Slavic Studies at Charles University, Prague. His works include critical Slavonic editions of Athanasius of Alexandria’s Orations against the Arians (2019 and 2021). Małgorzata Skowronek is Professor of Slavic Philology at the University of Łódź. Her research focuses on the Old Slavonic literature and especially its historical, biblical, polemical, and textual dimensions. She is the author of many books and articles. Achim Rabus holds the Chair of Slavic Linguistics at the University of Freiburg. He is President of the Commission on the Computer-Supported Processing of Medieval Slavic Manuscripts, and principle investigator of several projects on philology, sociolinguistics, and digital humanities. His current research interests are Slavic sociolinguistics, handwritten text recognition, and digital historical linguistics. Dimiter Peev is a research fellow at Friedrich Schiller University, Jena. He specializes in the field of Slavonic textology and paleography from the tenth to the eighteenth century. In more recent years, his research has focused on texts related to nation-building in the eighteenth century. Boban Petrovski is Professor of Medieval History at Saints Cyril and Methodius University, Skopje. His has written several books on medieval church history and the corpus of Saint Kliment of Ohrid.