Andrew Louth is professor emeritus of patristic and Byzantine studies at Durham University, England, and visiting professor of Eastern Orthodox theology at the Amsterdam Centre of Eastern Orthodox Theology (ACEOT), in the Faculty of Theology, the Free University, Amsterdam.

Thomas C. Oden (1931-2016) was a pioneering theologian and served as the architect and general editor for the Ancient Christian Commentary on Scripture. He was also the general editor of the Ancient Christian Doctrine series and the Ancient Christian Devotional series, as well as a consulting editor for the Encyclopedia of Ancient Christianity. A prolific writer and seasoned teacher, Oden also served as the director of the Center for Early African Christianity at Eastern University in Pennsylvania and was active in the Confessing Movement in America, particularly within the United Methodist Church.