Krezek comes from Iowa State University, where he assisted the defensive line and linebackers on a team that went 11-3 in 2024, reached the Big 12 Championship, and finished ranked in the national top 15. He also contributed to recruiting and defensive analysis during his tenure, helping the program maintain high-level performance.
A former Iowa State defensive lineman, Krezek earned undergraduate degrees in Kinesiology and Psychology, as well as a Master's in Healthcare Analytics and Operations. His experience as a player and coach at the FBS level adds depth and technical knowledge to NMU's defensive line.