Christian D. Kettler is Professor of Theology and Religion at Friends University. His PhD was under Ray S. Anderson and Geoffrey W. Bromiley. Kettler preaches at the Church of the Savior and is a past president of the Thomas F. Torrance Theological Fellowship. He is the author of Reading Ray S. Anderson: Theology as Ministry, Ministry as Theology (2010) and The Breadth and Depth of the Atonement: The Vicarious Humanity of Christ in the Church, the World, and the Self (2017).