Shigenori ShimizuIBM Research Division, IBM Tokyo Research Laboratory, 1623-14 Shimo-tsuruma, Yamato-shi, Kanagawa-ken 242-8502, Japan (shimizus@jp.ibm.com). Dr. Shimizu is a Senior Technical Staff Member working in computer architecture. He received B.E., M.S., and Ph.D. degrees, all in instrumentation engineering, from Keio University, Japan, in 1977, 1979, and 1983, respectively. He joined the research staff of the Japan Science Institute of IBM Japan (now the Tokyo Research Laboratory) in 1983. His areas of specialization have included VLSI architecture and design, multiprocessor architecture and design, and various embedded technologies. Dr. Shimizu also held several management positions, and currently leads the Systems and Technology Department in the Tokyo Research Laboratory.