Mez McConnell is senior pastor of Niddrie Community Church in Edinburgh, Scotland. He has been involved in pastoral ministry since 1999 and is the founder of 20schemes, a ministry dedicated to planting gospel-centered churches among the poorest of the poor throughout Scotland. He is the author of Is There Anybody Out There? and Preparing for Baptism.

Mike McKinley (MDiv, Westminster Theological Seminary) is senior pastor of Sterling Park Baptist Church in Sterling, Virginia. He is the author of a number of books, including Am I Really a Christian? and Church Planting Is for Wimps. He and his wife, Karen, have five children and live in Northern Virginia.