Dr. Matthew J. Koehler received his Ph.D. in educational psychology at the University of Wisconsin in 1999. He is currently a professor of educational psychology & educational technology at Michigan State University. He has co-authored three books on education and technology, and contributed to 21 books on educational psychology and technology. He has authored and co-authored over 46 published articles. His research focuses on understanding the benefits and shortcomings of new technologies for learning. Famous works involve the development of the TPACK model, which demonstrates the interaction between technology, pedagogy, and content in instructional design.