George O. Wood serves as general superintendent of The General Council of the Assemblies of God, which has more than three million adherents in the USA. In addition, Wood is chairman of the World Assemblies of God Fellowship and the global cochair for Empowered21. Woods numerous books include Road Trip Leadership, A Psalm in Your Heart, Living Fully, and The Successful Life. His 2011 release, Living in the Spirit, debuted as both a book and as small group curriculum for church-wide use for all ages. Wood holds a doctoral degree in pastoral theology from Fuller Theological Seminary and a juris doctorate from Western State University College of Law. He and his wife, Jewel, have a daughter and son, and live in Springfield, Missouri.Mark Batterson serves as the lead pastor of National Community Church in Washington, D.C. Recognized as one of Americas 25 most innovative churches, NCC is one church with seven locations. Marks blog (www.markbatterson.com) and webcast (www.theaterchurch.com) also reach a virtual congregation around the world. Mark is the author of several bestselling books, including New York Times bestsellers The Circle Maker and In a Pit with a Lion on a Snowy Day. He and his wife, Lora, live on Capitol Hill with their three children.