Rev. Bill Marshall is a graduate of the U.S. Naval Academy and began his naval career in submarines, before leaving the navy to pursue a calling to the gospel ministry. He subsequently attended Westminster Theological Seminary in Philadelphia where he had the privilege of studying under such notable Reformed scholars as Cornelius Van Til, John Murray, Edward Young and Paul Wooley. He graduated with a M.Div. degree in 1968 and was ordained to the gospel ministry in the Orthodox Presbyterian Church the same year. He has served pastorates in the Orthodox Presbyterian Church, the Presbyterian Church, U.S.; the Presbyterian Reformed Church; and more recently, the Presbyterian Church in America. His ministerial career has spanned 40 years.