Dave Ferguson is a spiritual entrepreneur and the lead pastor of Community Christian Church, an innovative multi-site missional church with eleven locations in Chicago. Dave is the movement leader for NewThing, an international network of reproducing churches. He is also the coauthor of The Big Idea. Check out the latest from Dave on his blog (www.daveferguson.org) or follow his everyday adventures on twitter @daveferguson. Warren Bird (PhD, Fordham University) serves as a primary researcher and writer for Leadership Network and has more than ten years of church staff and seminary teaching experience. He has collaboratively written twenty books, all on subjects of church health or church innovation. Warren and his wife live just outside of New York City.