Douglas Sean O'Donnell (PhD, University of Aberdeen) is the senior vice president of Bible editorial at Crossway. He is the author and editor of over a dozen books, including The Beginning and End of Wisdom; The Pastor's Book; The Song of Solomon and Matthew in the Preaching the Word commentary series; and Psalms in the Knowing the Bible series. He also contributed the Song of Solomon and Job to the ESV Expository Commentary.

R. Kent Hughes (DMin, Trinity Evangelical Divinity School) is senior pastor emeritus of College Church in Wheaton, Illinois, and former professor of practical theology at Westminster Theological Seminary in Philadelphia, Pennsylvania. Hughes is also a founder of the Charles Simeon Trust, which conducts expository preaching conferences throughout North America and worldwide. He serves as the series editor for the Preaching the Word commentary series and is the author or coauthor of many books. He and his wife, Barbara, live in Spokane, Washington, and have four children and an ever-increasing number of grandchildren.