Oliver D. Crisp (PhD, University of London; DLitt University of Aberdeen) is Professor of Analytic Theology at the Logos Institute for Analytic and Exegetical Theology, St. Mary's College, the University of St. Andrews, Scotland. He is author of numerous books in analytic and systematic theology, including Analyzing Doctrine: Toward a Systematic Theology; Deviant Calvinism: Broadening Reformed Theology; Divinity and Humanity: The Incarnation Reconsidered; God Incarnate: Explorations in Christology; Retrieving Doctrine: Essays in Reformed Theology; and Revisioning Christology: Theology in the Reformed Tradition. Together with Fred Sanders, he is co-founder of the Los Angeles Theology Conference.

Paul T. Nimmo (PhD, University of Edinburgh) is Professor and King’s Chair of Systematic Theology at the University of Aberdeen, Scotland, and the co-director of the Aberdeen Centre for Protestant Theology. He is the author of Being in Action: The Theological Shape of Barth’s Ethical Vision and Barth: A Guide for the Perplexed, as well as the co-editor of Kenosis: The Self-Emptying of Christ in Scripture and Theology, The Oxford Handbook of Karl Barth, and The Cambridge Companion to Reformed Theology. He is also the senior editor of the International Journal of Systematic Theology.