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.‎