Lou Cohen was a product developer, computer and software development manager, quality manager, and consultant during 41 years of professional life. He lived and worked in Japan in 1984, where he extensively studied quality and productivity methods, including a detailed study of the theories of Dr.W. Edwards Deming. Upon his return to the U.S., he became a nationally known expert in the use of Quality Function Deployment. He has helped his clients use QFD in many diverse industries, including electric-power utilities, financial services, medical instruments, software, communications and telecommunications, laundry detergents, aerospace components, and office furniture.
Now in retirement, he lives in Cambridge, Massachusetts.