Keith L. Johnson (PhD, Princeton Theological Seminary) is associate professor of theology at Wheaton College. He is author of Theology as Discipleship and Karl Barth and the Analogia Entis, and he is the coeditor of Bonhoeffer, Christ and Culture.

George is the founding dean of Beeson Divinity School of Samford University in Birmingham, Alabama, and senior adviser at Christianity Today. He is a member of the Southern Baptist-Roman Catholic Conversation Team and has participated inthe Evangelicals and Catholics Together initiative.

Timothy Larsen is McManis Professor of Christian Thought at Wheaton College, an Honorary Fellow in the School of Divinity at Edinburgh University, and a Fellow of the Royal Historical Society. He has written eight books, including A People ofOne Book: The Bible and the Victorians, and edited a dozen volumes, including most recently The Oxford Handbook of Christmas.

Rowan Williams, Baron Williams of Oystermouth, PC, FBA, FRSL, FLSW, is a world renowned theological writer, teacher, and poet. He was the 104th Archbishop of Canterbury (2002-2012) before becoming Master of Magdalene College, Cambridge (2012-2020). Recent books by Rowan Williams include Luminaries (2019), Being Human (2018), God With Us (2017) and Being Disciples (2016) (all SPCK).