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) has spent more than four decades in ministry as a pastor, professor, and author. He is currently the senior pastor at Bridgeway Church in Oklahoma City, Oklahoma, and was previously a visiting associate professor of theology at Wheaton College from 2000 to 2004. He is the founder of Enjoying God Ministries and blogs regularly at SamStorms.org.