Stephen R. Barley is a professor of Industrial Engineering and Engineering Management and the Co- Director of the Center for Work, Technology and Organization at Stanford University's School of Engineering. He holds a Ph.D. in Organization Studies from the Massachusetts Institute of Technology. Prior to coming to Stanford in 1994, Barley served for ten years on the faculty of the School of Industrial and Labor Relations at Cornell University. He was editor of the Administrative Science Quarterly, from 1993 to 1997 and has served on the editorial boards of Academy of Management Journal, The Journal of Management Studies and Organization Science. He has been the recipient the Academy of Management's New Concept Award. Barley was a member of the Board of Senior Scholars of the National Center for the Educational Quality of the Workforce and currently co-chairs a committee for the National Research Council and the National Academy of Science which is studying the changing occupational structure in the United States. Barley teaches courses on the management of R&D, the organizational implications of technological change, organizational behavior, social network analysis and ethnographic field methods. He has written extensively on the impact of new technologies on work, the organization of technical work and organizational culture. He recently edited a volume on technical work entitled Between Craft and Science: Technical Work in the United States published in 1997 by the Cornell University Press and is working on a book on the role of technicians in the workplace entitled, The New Crafts. Barley is currently working on a multi-pronged study of contingent work among engineers and software developers in the Silicon Valley. He has served as a consultant to organizations in a variety of industries includingpublishing, banking, electronics and aerospace.