Ligon Duncan (MDiv, Covenant Theological Seminary; PhD, University of Edinburgh) is chancellor and CEO of Reformed Theological Seminary, president of the Alliance of Confessing Evangelicals, chairman of the Council on Biblical Manhood and Womanhood, and a Council member for The Gospel Coalition. He has authored, co-authored, edited, or contributed to numerous books, including Does Grace Grow Best in Winter? He and his wife, Ann, have two children.