Marvin Bergman (1934 - 2022) was a professor of Theology at Concordia University for nearly 30 years and was also editor in chief of Issues in Christian Education for nearly twenty years. He was a Church Planter-Pastor at Holy Cross Lutheran Church in Warren, MI and a Religious Education Consultant for Hong Kong International School. He held an M.Div. at Concordia Seminary, an M.Ed. from Presbyterian School of Christian Education, an Ed.D. from Columbia University, and a PhD from the University of Nebraska-Lincoln.Keith Anderson is the author of The Digital Cathedral: Networked Ministry in a Wireless World and a recognized thought leader across mainline denominations on the ways congregations and ministries faithfully minister in a digitally-integrated world. He is a highly regarded speaker on new media and Christian life at conferences, convocations, and consultations. He lives in Ambler, Pennsylvania.