Gregg A. Ten Elshof (PhD, University of Southern California) is professor of philosophy at Biola University. His areas of interest include metaphysics, epistemology, modern philosophy, and Confucianism. His book, I Told Me So: Self-Deception and the Christian Life won the Christianity Today 2009 Book Award for Christian Living. He is also author of Confucius for Christians. Elshof has published articles in Midwest Studies in Philosophy, The Modern Schoolman, Grazer Philosophische Studien, The Journal of Philosophical Research, International Studies in Philosophy, Philosophia Christi, and Christian Scholar's Review.

Steven L. Porter (PhD, University of Southern California) is professor of theology and philosophy at Talbot School of Theology and at Rosemead School of Psychology (Biola University). His areas of interest include spiritual formation, theological methodology, and philosophical theology. He is also scholar in residence at Biola's Center for Christian Thought. Porter is the author of Restoring the Foundations of Epistemic Justification and serves as the managing editor of the Journal of Spiritual Formation and Soul Care. He has contributed articles to the Journal of the Evangelical Theological Society, Faith and Philosophy, Philosophia Christi, Journal for Psychology and Theology, and Journal of Psychology and Christianity.

Thomas M. Crisp (PhD, University of Notre Dame) is professor of philosophy at Biola University. His areas of interest include metaphysics, epistemology, philosophical theology, and social ethics. He has published articles in Noûs, Philosophy and Phenomenological Research, Oxford Studies in Metaphysics, The Oxford Handbook of Metaphysics, Analysis, Synthese, and The American Philosophical Quarterly, and is coeditor of Knowledge and Reality: Essays in Honor of Alvin Plantinga.