D. Stephen Long (PhD, Duke University) is Cary M. Maguire University Professor of Ethics at Southern Methodist University, Dallas, Texas, USA. He is an ordained United Methodist minister in the Indiana Conference. He works at the intersection between theology and ethics and has published over fifty essays and fifteen books on theology and ethics, including Divine Economy: Theology and the Market (New York: Routledge, 2000); The Goodness of God: Theology, Church and Social Order (Grand Rapids:BrazosPress, 2001); John Wesley’s Moral Theology: The Quest for God and Goodness (Wolfeboro, NH: Kingswood, 2005); Calculated Futures (Baylor: Baylor University Press, 2007); Christian Ethics: A Very Short Introduction (Oxford: OUP, 2010); Saving Karl Barth: Hans Urs von Balthasar’s Preoccupation (Minneapolis: Fortress, 2014); The Perfectly Simple Triune God: Aquinas and His Legacy (Minneapolis: Fortress, 2016); and Augustinian and Ecclesial Christian Ethics: On Loving Enemies (Minneapolis: Fortress, 2018).