Dr. Roger Greenway has spent most of his life in Christian missions. Beginning in Sri Lanka, later in Mexico and other parts of Latin America, he has been used by the Lord to bring the Gospel message around the world. He has also held administrative positions of global scope and has taught missions as a Professor of Missiology at Westminster Theological Seminary (Philadelphia, PA) and at Calvin Theological Seminary (Grand Rapids, MI). Greenway has published more than a dozen books, most recently, Go and Make Disciples (P&R Publishing), which is available in twelve languages.