Margaret R. Pfeil is assistant professor of moral theology at the University of Notre Dame and a Faculty Fellow of the Joan B. Kroc Institute for International Peace Studies. She specializes in Catholic social thought. She is also a cofounder and resident of St. Peter Claver Catholic Worker House in South Bend, Indiana, and is on the board of Bridgefolk, a movement of Mennonites and Roman Catholics who come together to celebrate each other's practices and honor each other's contributions to the mission of Christ's church.