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Keith Diefendorff is a computer architect and veteran in the microprocessor industry.
Diefendorff is one of the persons that has led the industry in developing RISC processors, both for embedded systems and superscalar high performance systems. He is one of the main designers of the PowerPC family of processors.
Keith Diefendorff started at Texas Instruments, designing integrated circuits processors and systems. Later Diefendorff joined Motorola and was the chief architect of a second-generation implementation of the 88000 instruction set architecture, the 88110. The 88110 was not a commercial success, and when Motorola shifted focus to creating a new RISC architecture with IBM, Diefendorff was assigned as chief architect for the PowerPC.
Diefendorrf has also worked as processor analyst, and editor in chief (1998–2001) for the industry magazine Microprocessor Report.
I'm not sure competition from any company is Intel's biggest problem. A bigger problem is generating demand for its faster, more profitable desktop chips...— Keith Diefendorff on the main threats to Intel