Cyril O’Regan is the Huisking Chair of Theology at the University of Notre Dame. A native of Ireland he came to Notre Dame in 1999 after teaching for a decade at Notre Dame where he also received his Ph. D. in Religious Studies. At Notre Dame he teaches in the areas of systematic, historical, and philosophical theology. His systematic areas of expertise include fundamental theology, the doctrine of the Trinity, theological aesthetics, and eschatology; his historical area of expertise includes the Christian mystical tradition, the traditions of Gnosticism, and nineteenth century theology. And in philosophical theology he concentrates on the relationship between philosophy and theology in the modern period. He has published widely in all these areas. He has authored articles on figures such Augustine, Pseudo-Dionysius, Eckhart, Newman, Hegel, Heidegger, and, of course, Hans Urs von Balthasar. He is best known for his multi-volume series on the return of Gnosticism in the modern period.