S. Mark Heim is the Samuel Abbot Professor of Christian Theology at Andover Newton Seminary at Yale Divinity School. He has written extensively on issues of religious pluralism, atonement, and Christian ecumenism. His books include Salvations: Truth and Difference in Theology (1995), The Depth of the Riches: A Trinitarian Theology of Religious Ends (2001), Saved from Sacrifice: A Theology of the Cross (2006), and most recently, Crucified Wisdom: Christ and the Bodhisattva in Theological Reflection (2018).