David R. Ditzel is vice president and chief architect for Hybrid Parallel Computing for the Intel Architecture Group at Intel Corporation.

Ditzel joined Intel in March 2008. He has worked on the design of leading edge computing systems for over 30 years. He was the founding president and CEO of Transmeta Corporation. Prior to his 13 years at Transmeta, he spent 10 years at Sun Microsystems where he held various positions including CTO of the SPARC Technology Business, Director of Sun Labs and Director of Advanced Systems. While at Sun, he started the first collaboration in computer design between the United States and Soviet Union by hiring Soviet Supercomputer designer Boris Babayan and his team at the Moscow Center of SPARC Technology, which was later acquired by Intel. Prior to Sun he spent 10 years at AT&T Bell Labs in Murray Hill, New Jersey where he as the architect for the CRISP microprocessor, one of the first RISC processors, and was a co-author of "The Case for the Reduced Instruction Set Computer". Ditzel has worked on the development of over two dozen computer systems, has published three dozen papers on advanced computer design, and has received seven patents.

Ditzel graduated from Iowa State University with a bachelor's degree in electrical engineering, and also a bachelor's degree in computer science, and received a master's degree in electrical engineering and computer science from the University of California at Berkeley in 1979.