Joseph Mangina, PhD is professor of theology at Wycliffe College, Toronto. His published work includes Karl Barth on the Christian Life (Peter Lang, 2001), Karl Barth: The Ecumenical Promise of His Theology (Ashgate, 2004), and the Brazos Commentary on Revelation (2010). From 2008 to 2017 he was the editor of Pro Ecclesia: A Journal of Catholic and Evangelical Theology.