George Renner has a PhD from Boston University and served at Nairobi Evangelical Graduate School of Theology for more than two decades. He taught courses in New Testament and pastoral theology along with his diverse administrative roles. George designed and led Africa's first Doctor of Ministry Programme. His passion is providing grassroots, non-formal training for African leaders and especially his partnership with the Evangelical Church of South Sudan. In the past two years, he has taught in Rwanda, Nigeria, Egypt, and Uganda. Mark Shaw has a ThD from Westminster Seminary and is a professor of historical studies and director of the Centre for World Christianity at Africa International University. He is the author of several books, including Global Awakening: How 20th Century Revivals Triggered a Christian Revolution. He divides his time between Nairobi and Yorktown, Virginia, where he serves on the staff of Peninsula Community Chapel.