Matthew Barrett is research professor of theology at Trinity Anglican Seminary, as well as the founder of Credo and the host of the Credo Podcast. He is the director of the Center for Classical Theology and the author of several award-winning books, including Simply Trinity and The Reformation as Renewal.Samuel G. Parkison (PhD, Midwestern Seminary) is associate professor of theology at the Gulf Theological Seminary in the United Arab Emirates. He is the author of several books, including Irresistible Beauty: Beholding Triune Glory in the Face of Jesus Christ and To Gaze Upon God: The Beatific Vision in Doctrine, Tradition, and Practice.