Mats Selen Mats Selen earned B.Sc.('82) and M.Sc.('83) degrees in physics at the University of Guelph, and M.A.('85) and Ph.D.('89) degrees in particle physics at Princeton University. After a four year post-doc at Cornell he joined the faculty at the University of Illinois Department of Physics in 1993, where he is now the Associate Head of Undergraduate Programs. After 25 years of studying elementary particles he is shifting his research focus to understanding and improving the way students learn physics. With Illinois colleagues he developed the iclicker classroom response system, the smartPhysics learning framework, and most recently IOLabs. Mats Selen won US professor of the Year 2015. Awarded by the Council for Advancement and Support of Education and sponsored by the Carnegie Foundation for the Advancement of Teaching, the awards recognize professors for their influence on teaching and commitment to undergraduate students.