Jack Mrozinski Jr. joined the Hiram Terriers from Salve Regina University in Newport, Rhode Island, where he served as the defensive coordinator for three seasons. During his time at Salve Regina, Mrozinski helped lead the Seahawks to a 17-13 (11-7 CCC) record and a Commonwealth Coast Conference (CCC) Co-Championship, as well as a New England Bowl berth in 2018.
Prior to joining Salve Regina, Mrozinski spent six seasons as an assistant coach at Ithaca College in Ithaca, New York. Mrozinski started with the Bombers in 2011 as the special teams coordinator, defensive backs coach and recruiting coordinator, adding video coordinator duties as well during his final four years with Ithaca.
Previously, Mrozinski spent a season as the special teams and safeties coach at Widener University in Chester, Pennsylvania from 2010-2011, as well as a season as the assistant defensive backs coach at NCAA Div. I-AA Hofstra University in Long Island, New York.
Before joining the Pride, Mrozinski served two seasons as an assistant football coach at Muhlenberg College in Allentown, Pennsylvania, helping the Mules to back-to-back Centennial Conference Championships and NCAA playoff berths in 2007 and 2008.
Mrozinski began his coach career at his alma mater, Buffalo State College in Buffalo, New York, spending the spring as an assistant coach with the Bengals in 2007.
A 2006 graduate of Buffalo State, Mrozinski played four seasons for the Bengals as a quarterback and long snapper. During his time with the Bengals, Mrozinski earned the Coaches Award in the fall of 2006 and the Al Abgott Attitude Award in the fall of 2004 and 2005.
A member of the American Football Coaches Association, Mrozinski and his wife, Kaitlyn have one son, Jack III.
- M.A., Communications, Ithaca College
- B.A., Communications, Buffalo State College