Shaun Tougher is Professor of Late Roman and Byzantine History at Cardiff University. He works especially on dynastic history (primarily the Constantinian and Macedonian dynasties) and on gender and society (notably women and questions of masculinity). His publications include The Reign of Leo VI (886-912) (Leiden, 1997), Julian the Apostate (Edinburgh, 2007), The Eunuch in Byzantine History and Society (London and New York, 2008), and The Roman Castrati: Eunuchs in the Roman Empire (London and New York, 2021). He has also edited several volumes, including Approaches to the Byzantine Family (with Leslie Brubaker; Farnham and Burlington VT, 2013), The Emperor in the Byzantine World (Abingdon and New York, 2019), The Sons of Constantine, AD 337-361 (with Nicholas Baker-Brian; Cham, 2020), and Generalship in Ancient Greece, Roman and Byzantium (with Richard Evans; Edinburgh, 2022). In addition, he is a series editor for Debates and Documents in Ancient History (Edinburgh University Press) and New Approaches to Byzantine History and Culture (Palgrave Macmillan).