J. Mack Stiles is the director of Messenger Ministries Inc., a think tank working to develop healthy missions. He formerly served as the pastor of Erbil International Baptist Church in Erbil, Iraq. Mack has traveled and lived many places, and has been involved in university student ministry, church reform, and church planting. He has authored five books, including Evangelism: How The Whole Church Speaks of Jesus. Mack is married to Leeann, and they have three grown boys, two daughters-in-law, and two grandchildren.