Clifford 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 B.A. 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