REV. DR. MARK ROSS is Associate Dean and Associate Professor of Systematic Theology at the Columbia campus of Erskine Theological Seminary and Director of the Institute for Reformed Worship. He is a graduate of the University of Pittsburgh (B.A.), the Pittsburgh Theological Seminary (M.Div.), and the University of Keele in England (Ph.D.). From 2003- 2008 he chaired the Special Committee on Worship in the Associate Reformed Presbyterian Church, which produced The Directory of Public Worship adopted by the church in 2008. Dr. Ross is the author of Let’s Study Matthew, “Improving the Means of Grace: The Larger Catechism on Spiritual Growth” (The Westminster Confession Into the 21st Century), and co-author with Philip Rollinson of The Children’s Catechism: A New Modern Version.