Don R HansenDr. Don R. Hansen is professor emeritus at Oklahoma State University. He has an undergraduate degree in mathematics from Brigham Young University. He received his Ph.D. from the University of Arizona. Dr. Hansen has published articles in both accountng and engineering journals, including The Accounting Review, The Journal of Management Accounting Research, Accounting Organizations and Society, Accounting Horizons and IIE Transactions. He has also served on the editorial board of The Accounting Review. His outside interests include family, church activities, reading, movies and watching sports. Read More Read Less