John Winterdyk has authored/edited over 25 textbooks, many of which have been international and/or comparative in nature. He has also published a wide range of articles in a number of international journals and been invited to guest edited several others on such topics as human trafficking and genocide. He is a member of a number of international associations and has held various visiting and adjunct positions internationally. In addition to juvenile justice, John’s current research interests include human trafficking, identity theft, crime prevention, and justice reform. .