Donald N StengelDonald N. Stengel is a professor and chair of the Department of Information Systems and Decision Sciences at California State University, Fresno. Previously he served as the director of the MBA program at California State University, Fresno. He receied a PhD in Engineering-Economic Systems from Stanford University. Prior to joining the faculty at California State University, Fresno, Dr. Stengel worked for eight years as a management consultant developing planning models for agriculture and energy. Read More Read Less