Fred Sanders (PhD, Graduate Theological Union) is a professor in the Torrey Honors College at Biola University. He specializes in the doctrine of the Trinity but studies, teaches, and writes across the full range of Christian doctrines. Two of Dr. Sanders' most notable books are The Deep Things of God: How the Trinity Changes Everything (Crossway, 2010) and Fountain of Salvation: Trinity and Soteriology (Eerdmans, 2021). His online presence is at fredfredfred.com
Steve Duby (PhD, University of St. Andrews) is associate professor of theology at Phoenix Seminary. His main research interests include the doctrine of God and Christology. Dr. Duby is the author of Jesus and the God of Classical Theism: Biblical Christology in Light of the Doctrine of God (Baker, 2022) and God in Himself: Scripture, Metaphysics, and the Task of Christian Theology (IVP, 2019), among other publications.
Bobby Jamieson (PhD, University of Cambridge) is an associate pastor of Capitol Hill Baptist Church in Washington, D.C. and previously served as an editor at 9Marks. Besides his work as a pastor, Dr. Jamieson has authored several books, including The Paradox of Sonship: Christology in the Epistle to the Hebrews (IVP Academic, 2021), The Path to Being a Pastor: A Guide for the Aspiring (Crossway, 2021), and, with Tyler Wittman, Biblical Reasoning: Christological and Trinitarian Rules for Exegesis (Baker Academic, 2022).
Brian Arnold (PhD, The Southern Baptist Theological Seminary) serves as president of Phoenix Seminary. In this role he combines a love for the local church with a passion for serious, academic theology. A historian of the early church, Dr. Arnold has authored two books, Justification in the Second Century (de Gruyter; Baylor University Press, 2017) and Cyprian of Carthage: His Life and Impact (Christian Focus, 2017). Prior to joining the faculty of Phoenix Seminary in 2015, he served as pastor of Smithland First Baptist Church, in Smithland, KY.