Donald W. Plass IBM Systems and Technology Group, 2455 South Road, Poughkeepsie, New York 12601 (plassdus.ibm.com). Mr. Plass is a Distinguished Engineer in the IBM Systems and Technology Group. He has been responsible for SRAM technology and designs for several generations of IBM server designs, including iSeries*, pSeries*, and zSeries* microprocessors, with a focus on the larger arrays. He joined IBM in 1978 at the Poughkeepsie facility, and in addition to CMOS SRAM, his research and development interests have included DRAM, gallium arsenide (GaAs), and BiCMOS. He received Outstanding Technical Achievement, Outstanding Innovation, and Corporate Awards for his contributions to POWER4, POWER5, and S/390* microprocessors. Mr. Plass has achieved his ninth IBM Invention Achievement Award plateau.

Yuen H. Chan IBM Systems and Technology Group, 2455 South Road, Poughkeepsie, New York 12601 (chanyus.ibm.com). Mr. Chan is a Senior Technical Staff Member at the IBM Poughkeepsie Development Laboratory, working on custom very-large-scale integration (VLSI) circuit and SRAM designs. He joined IBM at the East Fishkill facility in 1977 and has worked on high-performance bipolar, BiCMOS, and CMOS logic and array development. He received a B.S. degree in electrical engineering from Union College in 1977 and an M.S.E.E. degree from Syracuse University in 1984. He received an IBM Corporate Award for S/390 CMOS high-frequency techniques and several IBM Outstanding Technical Achievement and Outstanding Innovation Awards for high-performance array development. He was recognized with the title Master Inventor in the IBM Poughkeepsie site. He has reached the fourteenth IBM Invention Achievement plateau, and he holds more than 30 U.S. circuit patents. Mr. Chan is currently a Technical Team Leader of the IBM Server Group array design teams, supporting both the zSeries and the pSeries microprocessor applications.

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