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Dr. Stephen N. Bunker has served as the Company’s Vice President and Chief Scientist since 1987 and a Director since 1988. Prior to joining the Company, from 1972 to 1987, Dr. Bunker was a Chief Scientist at Spire Corporation. From 1971 to 1972, Dr. Bunker was an Engineer at McDonnell Douglas Corporation. Dr. Bunker received his Ph.D. in nuclear physics from the University of California, Los Angeles in 1969. Dr. Bunker is the author of fifteen patents in the field of ion beam technology. | 