CLIFFORD F. GRAY is professor emeritus of management at the College of Business, Oregon State University. He continues to teach undergraduate and graduate project management courses overseas and in the United States; he has personally taught more than 100 executive development seminars and workshops. His research and consulting interests have been divided equally between operations management and project management; he has published numerous articles in these areas, plus a text on project management. He has also conducted research with colleagues in the International Project Management Association. Cliff has been a member of the Project Management Institute since 1976 and was one of the founders of the Portland, Oregon, chapter. He has been the president of Project Management International, Inc. (a training and consulting firm specializing in project management) since 1977. He received his BA in economics and management from Millikin University, M.B.A. from Indiana University, and doctorate in operations management from the College of Business, University of Oregon.

ERIK LARSON is professor of project management in the department of management, marketing, and international business at the College of Business, Oregon State University. He teaches executive, graduate, and undergraduate courses on project management, organizational behavior, and leadership. His research and consulting activities focus on project management. He has published numerous articles on matrix management, product development, and project partnering. He has been a member of the Portland, Oregon, chapter of the Project Management Institute since 1984. In 1995 he worked as a Fulbright scholar with faculty at the Krakow Academy of Economics on modernizing Polish business education. He received a B.A. in psychology from Claremont McKenna College and a Ph.D. in management from State University of New York at Buffalo. He is a certified project management professional (PMP).