Joel R. Beeke (PhD, Westminster Seminary) is chancellor and professor of homiletics and systematic and practical theology at Puritan Reformed Theological Seminary, a pastor of the Heritage Reformed Congregation in Grand Rapids, Michigan, board chairman of Reformation Heritage Books, editor of Puritan Reformed Journal and Banner of Sovereign Grace Truth, a frequent speaker at Reformed conferences around the world, and a prolific author.
Mark Jones (Ph.D., Leiden, 2009) has been the minister at Faith Vancouver Presbyterian Church (PCA), Canada since 2007. He is also Research Associate in the Faculty of Theology at the University of the Free State (Bloemfontein) and Lecturer in Dogmatic Theology at John Wycliffe Theological College, in association with North-West University (Potchefstroom Campus), South Africa.