Doc is a minister, Professor with Liberty University, and family man. He received Christ as Savior in April of 1962, and has been an avid follower of Jesus Christ ever since. He has been privileged to teach the Bible to students of all ages and has presented seminars at the Association of Christian Schools International at the Washington, D.C. conventions on how to teach the Bible. Dr. Marshall has degrees from Liberty University, Johns Hopkins University, Liberty Theological Seminary, Andersonville Theological Seminary, Texas Baptist Institute and Seminary, as well as other institutions. He is the author of A Student’s New Testament Survey published in 2007 by Tate Publishing and Enterprises.