Dave Harvey (DMin, Westminster Theological Seminary) is the president of Great Commission Collective, a church-planting ministry. Dave pastored for thirty-three years, founded AmICalled.com, and travels widely across networks and denominations as a popular conference speaker. He is the author of When Sinners Say “I Do”; I Still Do!; Am I Called?; and Rescuing Ambition; and coauthor of Letting Go. Dave and his wife, Kimm, live in southwest Florida. He also writes at RevDaveHarvey.com, and you can follow him on Twitter. Sam Storms (PhD, University of Texas at Dallas) is the founder and president of Enjoying God Ministries and serves on the council of the Gospel Coalition. Sam served as visiting associate professor of theology at Wheaton College and is a past president of the Evangelical Theological Society. He is the author or editor of 37 books and blogs regularly at SamStorms.org. Sam and his wife, Ann, are the parents of two daughters and grandparents of four.