Chairman of the Board, President, Chief Executive Officer

S. Kumar Chandrasekaran joined us in September 1987 as Vice President, Development. From 1988 to 1989, Dr. Chandrasekaran served as Vice President, Research and Development. From 1989 to 1993, he served as President and Chief Operating Officer. Since August 1993, Dr. Chandrasekaran has served as Chairman of the Board of Directors, President, and Chief Executive Officer. Dr. Chandrasekaran holds a Ph.D. in Chemical Engineering from the University of California, Berkeley.