Bill Mensch

Bill Mensch
Mensch in 2014
Born	(1945-02-09) February 9, 1945 (age 79) Quakertown, Pennsylvania, U.S.
Education	B.S.; University of Arizona A.S.; Temple University
Occupation	Microprocessor designer
Known for	Motorola 6800 MOS Technology 6502 Western Design Center

William David Mensch, Jr. (born February 9, 1945) is an American electrical engineer born in Quakertown, Pennsylvania. He was a major contributor to the design of the Motorola 6800 8-bit microprocessor and was part of the team led by Chuck Peddle that created the MOS Technology 6502. He also designed the 16-bit successor to the 6502, the 65816.^[1]

Mensch is the founder, chairman, and chief executive officer (CEO) of the Western Design Center (WDC) located in Mesa, Arizona. Before founding WDC in 1978, Mensch held design engineering and management positions at Philco-Ford, Motorola, MOS Technology, and Integrated Circuit Engineering.^[2] At WDC, Mensch worked mainly on extending and expanding the 6502 architecture. His designs are used widely in embedded systems and implantable, electronic, life-support devices.^{[citation needed]}