MICHAEL PAKALUK is a professor of ethics and social philosophy in the Busch School of Business at the Catholic University of America in Washington, D.C., and a member of the Pontifical Academy of St. Thomas Aquinas. He earned his undergraduate and doctoral degrees at Harvard and studied as a Marshall Scholar at the University of Edinburgh. An expert in ancient philosophy, he has published widely on Aristotelian ethics and the philosophy of friendship and done groundbreaking work in business ethics. His previous books include Other Selves: Philosophers on Friendship, The Appalling Strangeness of the Mercy of God, and most recently The Memoirs of St. Peter: A New Translation of the Gospel according to Mark. He lives in Hyattsville, Maryland, with his wife, Catherine Pakaluk, a professor of economics, and their eight children.