Michael J. Kruger (PhD, University of Edinburgh) is the president and Samuel C. Patterson Professor of New Testament and Early Christianity at Reformed Theological Seminary in Charlotte, North Carolina, and a leading scholar on the origins and development of the New Testament canon. He blogs regularly at michaeljkruger.com. Ligon Duncan (PhD, University of Edinburgh) is  chancellor, CEO, and John E. Richards Professor of Systematic and Historical Theology at Reformed Theological Seminary. He previously served as the senior minister of the historic First Presbyterian Church in Jackson, Mississippi, for seventeen years. He is a cofounder of Together for the Gospel, a senior fellow of the Council on Biblical Manhood and Womanhood, and was the president of the Alliance of Confessing Evangelicals from 2004–2012. Duncan has edited, written, or contributed to numerous books. He and his wife, Anne, have two children and live in Jackson, Mississippi. Benjamin L. Gladd (PhD, Wheaton College) is the executive director of the Carson Center for Theological Renewal. He has written several books on biblical theology, edits the Essential Studies in Biblical Theology series, and serves on the editorial board of Themelios. Charles E. Hill (PhD, Cambridge University) serves as John R. Richardson Professor of New Testament and Early Christianity at Reformed Theological Seminary. He is the author of Who Chose the Gospels? and a coeditor of The Early Text of the New Testament. Guy Prentiss Waters (PhD, Duke University) is James M. Baird Jr. Professor of New Testament and academic dean at Reformed Theological Seminary, Jackson. He is the author or editor of fifteen books and numerous chapters, articles, and reviews. He is a teaching elder in the Presbyterian Church in America (PCA). Michael J. Kruger (PhD, University of Edinburgh) is the president and Samuel C. Patterson Professor of New Testament and Early Christianity at Reformed Theological Seminary in Charlotte, North Carolina, and a leading scholar on the origins and development of the New Testament canon. He blogs regularly at michaeljkruger.com.