About the Authors CRAIG ERHORN is a consultant working for the management consulting division of "big six" accounting firm Coopers & Lybrand in New York. He has more than twenty years' experience designing, implementing, and using manufacturing and engineering systems in a broad range of industries. He has assisted a number of former employers and clients with improvement and management of their product development process, and has hands-on experience developing and introducing new products in manufacturing industries. Craig holds a B.A. degree from Ohio Wesleyan University, and an M.B.A. from the University of Connecticut. He has held management positions in manufacturing operations and information systems prior to becoming a consultant, and was responsible for controlling introduction of new products into manufacturing as well as working on new product development teams. Mr. Erhorn is a member of the American Production and Inventory Control Society (APICS) and is the author of a number of articles and book chapters dealing with manufacturing systems. JOHN STARK is an independent management consultant based in Geneva, Switzerland. He has helped leading engineering and manufacturing companies in Europe, North America, and the Far East gain competitive advantage by improving product development performance. John holds B.Sc. and Ph.D. degrees from Imperial College, London, England. He has worked in engineering and manufacturing environments for more than twenty years. Dr. Stark is a member of the Institute of Directors (UK), AIAA, CASA/SME, and SAE (U.S.), and the Swiss Computer Graphics Association. He is also the author of a number of previous publications dealing with the use of CAD and EDM, and the improvement of engineering productivity. He is the editor of the "Engineering, Data Management Newsletter" and the "Effective Engineering Management Newsletter."