Stanley Hauerwas (PhD, Yale University) is chair in theological ethics at the School of Divinity, History, and Philosophy at the University of Aberdeen. He previously taught at Duke University. He is the author of numerous books, including "Cross-Shattered Christ", "A Cross-Shattered Church", "War and the American Difference", and "Matthew" in the Brazos Theological Commentary on the Bible.
Mark Thiessen Nation (PhD, Fuller Theological Seminary) is professor of theology at Eastern Mennonite Seminary in Harrisonburg, Virginia, and has authored several books, including John Howard Yoder: Mennonite Patience, Evangelical Witness, Catholic Convictions.