IRWIN M. RUBIN is president of Temenos, Inc. and coauthor of the classic texts Organizational Behavior: An Experiential Approach and My Pulse is Not What it Used to Be: The Leadership Challenges in Health Care. Formerly associated with prestigious institutions such as Sloan School of Management at the Massachusetts Institute of Technology and Harvard Graduate School of Education, he is an honorary member of the American College of Physician Executives. THOMAS CAMPBELL, a group practice consultant, is a board-certified obstetrician and gynecologist and fellow of the American College of Physician Executives. Previously CEO of a multispecialty group practice of over fifty physicians in western Montana, he has held teaching fellowships at the University of Chicago and Sydney University in Sydney, Australia.