Montclair State University Athletics

Jack Siddron enters his fourth season as an assistant coach, primarily focusing on defense, for the Montclair State Men's Lacrosse team.

He has been part of two double-digit win total seasons, including a 12-3 mark from the Red Hawks during the 2026 season in which they posted a .800 win percentage and won their first eight games.

The 2018 graduate from Monmouth University spent the previous six years working with the Mountain Lakes Lacrosse program as well as working in sales and logistics. Siddron played four years at Monmouth University and was a member of the 2017 MAAC Championship team and was named to the MAAC all Academic team in 2016.