The Rev. Joel C. Elowsky (Ph.D., Drew University) has served as operations manager for the Ancient Christian Commentary on Scripture and is the volume editor for its two volumes on John's Gospel. He is executive director of the Center for Early African Christianity and executive editor for the Works of Early African Christianity, and has served as adjunct professor of religion at Drew University.

Jonathan J. Armstrong (Ph.D., Fordham University) is assistant professor of Bible and theology at Moody Bible Institute - Spokane, Washington. He is also president of the Aqueduct Project, a nonprofit organziation seeking to provide affordable access to quality theological education to the global evangelical community. Armstrong has done postdoctoral research in ancient church history at Wycliffe Hall, Oxford, and Friedrich-Alexander-Universität Erlangen-Nürnberg. He also served as a graduateresearch assistant to Avery Cardinal Dulles, S.J. He holds memberships with the North American Patristics Society and the Evangelical Theological Society. Armstrong is author of the forthcoming monograph The Role of the Rule of Faith in the Formation of the New Testament Canon.