Justin Mann is a specialist in Byzantine art and archaeology, with a focus on monastic archaeology and landscapes. At the Catholic University of America, he teaches a variety of courses that address the art, architecture, and material culture of the medieval eastern Mediterranean, including the art and archaeology of Byzantium and art and identity during the Crusades. He is also interested in the commodification of specific products during the medieval to Early Modern periods, especially coffee and sugar.

Mann completed his doctoral degree at the University of Virginia where his dissertation focused on the monastic
landscapes of Middle Byzantine Hellas. In addition, he completed degrees in anthropology from East Carolina University and the University of Wisconsin - Oshkosh. As a field archaeologist, Mann is active in several archaeological projects. In Greece, he has worked conducted research in Thebes, Naxos, Boeotia, and Thrace. Mann has also held a variety of fellowships and awards including a Fulbright Fellowship, Dumbarton Oaks Junior Fellowship, and the Dumas Malone Fellowship from the University of Virginia. In addition to lecturing at CUA, Mann is also the Post-Doctoral Fellow in Byzantine Art and Archaeology at the Dumbarton Oaks Research Library and Collection in Washington, DC.