Marvin received his LL.M. from New York University School of Law, where he was the recipient of the Eversheds Sutherland, Nina W. Werblow Tax Fellowship and his J.D., cum laude, from the Florida Agricultural & Mechanical University College of Law, where he received a Book Award in Wills & Estates. He received his M.S. from North Carolina Central University and his B.S. from the University of Missouri.