Stephen has been elected to the board of directors of Luminex Corporation, a global biotechnology company headquartered in Austin, Texas. Since 2011, Stephen has served as vice president, oncology medical sciences, Astellas Pharma Global Development, a global pharmaceutical company with U.S headquarters in Northbrook, Ill. Prior to joining Astellas, he was vice president, translation medicine & pharmacogenomics at Eli Lilly pharmaceutical company. In addition to his B.S. degree in chemistry from Kalamazoo College, Stephen holds a Ph.D. degree in chemistry from Harvard University and an M.D. degree from the University of Mississippi.