Dr. Brian Matz is Associate Dean and Professor of Church History at Aquinas Institute (Saint Louis University). His research and teaching interests span patristic and medieval church history, in particular early Christian social ethics, Cappadocian theology, the reception of Augustine, and the theological controversies of the Carolingian era. Dr. Matz is the author of four monographs, editor or co-editor of several books and encyclopedias, the author of dozens of articles. Most recently, he co-edited the Oxford Handbook on the Pelagian Controversy (2025). Dr. Matz earned his first PhD in early Christian studies at Saint Louis University and his second PhD in social ethics from the Katholieke Universiteit Leuven. He holds a ThM from Dallas Theological Seminary and a BSBA in accounting from Washington University. Dr. Matz entered academia after a first career in business. He and his wife, Heidi, have four children.