David L. Ream's thirty-five years in worship ministry includes twenty years in the Calvary Chapel movement. His teaching career spans three decades, encompassing public-school teaching, teacher training, adult Bible studies, and two televised Bible teaching programs. He holds a PhD in Christian worship from Liberty University and an MS in curriculum and instruction from National University. He facilitates worship at Calvary Chapel Lynchburg, and facilitates classes online for the Calvary Chapel School of Discipleship.



John S. Knox has taught at several Christian universities on the East and West coasts of America. He has a PhD from the University of Birmingham (UK) in theology and religion (sociology of religion), an MA in sociology from Arizona State University, and an MATS in Christianity history and thought from George Fox University.