Jez was the head coach of the Pioneers of LIU Post from 2006-2017 and won two Division II national championships in 2009 and 2010. He also reached the national championship game in 2014 and made the national semifinals four other years (2011, 2013, 2015, 2016).

In the East Coast Conference, Jez won six championships, the last coming in 2016. He was also named the ECC Coach of the Year to go along with his United States Intercollegiate Lacrosse Association and Field Turf National Coach of the Year Award in 2009, when he won his first national title while his team led the nation in scoring offense.

In 2014 where he led LIU Post to the National Championship game - Jez was named as the Lacrosse Magazine and Captain U National Coach of the Year.

At LIU Post, Jez coached 52 USILA All-Americans, 13 Scholar All-Americans, four USILA Position Players of the Year and two National Players of the Year.

JEZ has served on the NCAA Mens Lacrosse Committee and NCAA Mens Lacrosse Rules Committee. He has also served on the USILA Division II All-American Committee, the USILA National Poll and the IMLCA Rules Committee during career.

Prior to LIU Post, Jez served as an assistant lacrosse coach at Pace University from 1996-2002 before being named coach in June 2002. Jez guided the setters to two top ten rankings in 2003 and 2004. He coached six USILA All-Americans and one scholar All-American to go along with his 11 All-Conference players and one Freshman of the Year.

Jez was also the general manager and assistant general manager of the United States Mens Lacrosse National team, where his teams won two World Championships in 2006 and 2010 and three U-19 championships in 2008, 2012, and 2016.

Most recently, Jez was the head equipment manager for football at Army West Point and the assistant equipment manager for the lacrosse team.

Jez is a 1994 graduate of Pfeiffer University in North Carolina. In 1994, the was the team MVP, and made second team All-American. He was named honorable mention All-American in 1993.