He was born June 1, 1941, the son of the late Frank and Esther Kozlowicz. John married the love of his life, Joan Aniszewski, on June 13, 1970 at St. Patrick’s Catholic Church in Whitewater, WI.

John was a Professor of Political Science and chairman at the University of Wisconsin-Whitewater from 1968 until his retirement in 2005, where he was fondly known as “Koz”, “Dr. Koz” and “Prof Koz”. Following his retirement, as Professor Emeritus John continued to teach both in person and online through the Fall Semester 2018. His teaching spanned curriculum such as American Government and Politics, Constitution, the Judicial Process, Constitutional Law, Resources for Legal Research and Police, Criminal Justice Administration among other related topics. John was on the forefront of incorporating technology and web-based teaching in the 1990’s with the emergence of the internet, and also designed two new programs for UW-Whitewater, which passed through the curricular process and became part of the academic offering: The Legal Studies Minor and Paralegal Certificate. John was also the Internship Program Coordinator for UW-W, pairing students with legislators, campaign staff for public office candidates, law offices and governmental agencies both in Wisconsin – as well as in Washington, D.C to allow students to view the national political process in action. Throughout his career he advised all Pre-Law students as well as a significant number of Political Science Majors in his 50-year career as a Professor. He found great joy in navigating students to pursue their highest potential.