HONG K. CHOI, PhD, is Chief Technology Officer at Kopin Corporation. Prior to joining Kopin, he was a senior staff member at MIT Lincoln Laboratory. He received his BS degree from Seoul National University, his MS degree from Korea Advanced Institute of Science and Technology, and his PhD from the University of California at Berkeley, all in electrical engineering. A Fellow of the IEEE, Dr. Choi has coauthored more than 100 papers and holds eight U.S. patents.