DAVID A. NADLER, ROBERT B. SHAW and A. ELISE WALTON are members of Delta Consulting Group, a New York-based firm whose practice focuses on the management of strategic organizational change. Nadler and Shaw are coauthors (with Marc S. Gerstein) of Organizational Architecture: Designs for Changing Organizations (Jossey-Bass 1992). Nadler is also coauthor (with David Kearns) of Prophets in the Dark: How Xerox Reinvented Itself and Beat Back the Japanese (1993).