Shaw Feng is a Mechnical Engineer in the Life Cycle Engineering Group in the Systems Integration Division of the Engineering Laboratory at the National Institute of Standards and Technology (NIST). He received his PhD in mechanical engineering from the University of Wisconsin-Madison in 1987. He has fifteen years of experience in developing CAD, CAM, and automated inspection software for computer-integrated design and manufacturing. He led and managed the tolerancing and process planning standards development in ISO/TC 184/SC 4. Dr. Feng has published numerous reports and papers in the areas of manufacturing execution, concurrent engineering, process planning, solid/surface modeling, automated manufacturing systems, geometric tolerancing, inspection planning, and inspection data analysis. His areas of research include process planning, manufacturing execution, tolerancing, conceptual design, and interoperability. He is currently working on facilitating the integration of design and manufacturing software systems.