Pastor St. John graduated from Moody Bible Institute in 1971, with a BA in English Bible. In 1975 he earned a Master of Divinity degree from Faith Theological Seminary (Elkins Park, PA), and a Dr. of Ministry degree from Covenant Theological Seminary in 1987. Dr. St. John met his wife Grace while studying at Faith Seminary, and they were married in the seminary chapel in 1973. Before pastoring Wayside, Pastor St. John served the Bible Presbyterian Church in Concord, North Carolina for 13.5 years. Marshall and Grace came to Signal Mountain in 1989. Their daughter, Becky Rogers, lives in Munich, Germany with her husband Sloan, who works for BMW there. Their son David is a graduate of the University of Tennessee in Chattanooga, and has begun a masters degree/teaching assistant program at the University of North Carolina at Wilmington. Pastor St. John's hobbies include walking, reading, playing the cello, and marksmanship. He also enjoys building websites, including the one for Wayside Presbyterian Church.