Michael J. Kolen is a Professor of Educational Measurement at the University of Iowa. Dr. Kolen received his doctorate from the University of Iowa in 1979, his MA degree from the University of Arizona in 1975, and his BS degree from the University of Iowa in 1973. He served on the faculty at Hofstra University from 1979-1981, and he worked at American College Testing (ACT) from 1981-1997, including being Director of the Measurement Research at ACT from 1990-1997.
Dr. Kolen co-authored the book Test Equating: Methods and Practices, published by Springer-Verlag. He has published numerous articles and book chapters on various topics in educational measurement and statistics, including test equating and scaling.
Dr. Kolen has been President of the National Council on Measurement in Education (NCME), and is past editor of the Journal of Educational Measurement. He is a Fellow of Division 5 of the American Psychological Association, a Fellow of the American Educational Research Association, and member of various other professional organizations. Dr. Kolen received the 1997 NCME Award for Outstanding Technical Contribution to the Field of Educational Measurement and the 2008 NCME Award for Career Contributions of Educational Measurement.