Leonard S. Schleifer, M.D., Ph.D., founded the Company in 1988, has been a Director and its President and Chief Executive Officer since its inception, and served as Chairman of the Board from 1990 through 1994. From 1984 to 1988 he was Assistant Professor at the Cornell University Medical College in the Departments of Neurology and Neurobiology. Leonard Schleifer received his M.D. and Ph.D. in Pharmacology from the University of Virginia. Leonard Schleifer is a licensed physician and is certified in neurology by the American Board of Psychiatry and Neurology.