John Clark joined Finisar in January 2011. Prior to joining Finisar, he was Executive Chairman of Cogo Optronics, Inc., Vice President of SSD Development at Seagate Corporation, President, CEO, and Chairman of Iolon, Inc., and Vice President and General Manager of the Optoelectronics Business Unit at Scientific-Atlanta, Inc. Dr. Clark started his career with a joint appointment as Senior Staff Scientist at the Lawrence Berkeley National Laboratory and Assistant Professor of Chemistry at the University of California (UC) Berkeley. Dr. Clark holds a B.A. in Physics and a B.A. in Chemistry from UC Santa Barbara and a PhD in Physical Chemistry from UC Berkeley, and carried out his postdoctoral studies as the Oppenheimer Fellow at the Los Alamos National Laboratory.