Warren Bird (PhD, Fordham University) has collaboratively authored nineteen books (including two 100,000 bestsellers, one Gold Medallion winner, and one runner up for the Gold Medallion), served as associate pastor for eleven years and senior pastor for four years, taught as regularly contributing faculty at Alliance Theological Seminary for twelve years, and served on the senior leadership team of three organizations that provide training to pastors - Charles E. Fuller Institute, Canadian Centre for Leadership Development, and the Beeson Institute for Advanced Church Leadership. He is currently research director at Leadership Network, overseeing the creation of a wide range of knowledge products designed to resource church leaders. Warren and his wife Michelle live in metro New York City and have two grown children. Greg Ligon has been with Leadership Network since 1997. He currently serves as Vice President of Church Innovations and Publisher. In this role, he oversees several Leadership Community Directors and also oversees the organization's publishing partnerships. He has also directed the Multi-Site Churches Leadership Community, directed the Leadership Training Network, and spearheaded strategic services for the organization. Greg is also one of the authors of Multi-site Church Revolution. For seven years prior to joining Leadership Network, Greg was responsible for creating and directing the United Methodist Campus Ministry at Southern Methodist University in Dallas. He also served as associate pastor at First United Methodist Church in Waco, Texas. Greg and his wife, Susan, have two full-throttle boys, Daniel and Andrew. Geoff Surratt is executive pastor of Seacoast Church, a multisite congregation based in Charleston, South Carolina. Geoff helped oversee Seacoast's expansion from one site to twelve locations across three states and is one of the teaching pastors at the church. In addition to his work at Seacoast, Geoff has over twenty-five years of ministry experience in a variety of roles in local churches, and he is coauthor of The Multi-Site Church Revolution. He has also helped train leaders in Europe, Asia, and Africa. Geoff is married, has two children (and one ugly dog), and lives in Charleston, South Carolina.