O. Ray Whittington, CIA, CMA, CPA, serves as the Director of the School Accountancy and MIS at DePaul University. He received his B.B.A., M.S., and Ph.D. degrees from Sam Houston State University, Texas Tech University, and the University of Houston, respectively. Professor Whittington is an active textbook author on the subjects of auditing and audit sampling. He has also published in a variety of journals, including The Accounting Review, The Journal of Accounting Research, and Auditing: A Journal of Practice and Theory. He has served as a member of the Board of Regents of The Institute of Internal Auditors and has served as Chairman on the Auditing Standards Committee of the Auditing Section and the Bylaws Committee, both of the American Accounting Association. Professor Whittington has served as a member of the AICPA Auditing Standards Board and as the president of the Auditing Section of the American Accounting Association.