Charles R. Johns IBM Systems and Technology Group, 11400 Burnet Road, Austin, Texas 78758 (crjohnsus.ibm.com). Mr. Johns is a Senior Technical Staff Member in the Sony/Toshiba/IBM Design Center. He received his B.S. degree in electrical engineering from the University of Texas at Austin in 1984. After joining IBM Austin in 1984, Mr. Johns worked on various disk, memory, voice communication, and graphics adapters for the IBM Personal Computer. From 1988 until he transferred to the STI project in 2000, he was part of the graphics organization and was responsible for the architecture and development of entry and midrange 3D graphics adapters and raster engines. Mr. Johns is now responsible for the CBEA; he participated in the development of the Cell/B.E. processor, which is the first implementation of the CBEA. Mr. Johns is an IBM Master Inventor.

Daniel A. Brokenshire IBM Systems and Technology Group, 11400 Burnet Road, Austin, Texas 78758 (brokenshus.ibm.com). Mr. Brokenshire is a Senior Technical Staff Member with six years of experience in the Cell/B.E. Processor Design Center. He currently serves as a senior member of the IBM Cell/B.E. Processor Systems Enablement team working on the Cell/B.E. processor SDK. His responsibilities include the development of programming standards, language extensions, reusable software libraries, and software documentation. Mr. Brokenshire received a B.S. degree in computer science and B.S. and M.S. degrees in electrical engineering, all from Oregon State University. Prior to his work on the Cell/B.E. processor, he enjoyed a productive career developing 3D graphics products for Tektronix, Inc., and IBM.