SJ Mousseau joins the Polars staff after a 2025 stint at St. Cloud State after serving as the Pitching Coach for the Huskies.
Mousseau previously served as Director of Pitching Development and Bullpen Coach at Division-II Erskine College (S.C.). Prior to his arrival at Erskine, Mousseau was a pitching trainer at Driveline Baseball in Washington. While at Driveline, he worked with high school, collegiate, MiLB, KBO, NPB and MLB pitchers and learned under the likes of Brandon Mann andMatt Kress
The right-handed pitcher played collegiate baseball at the DII, DIII and Junior College level. Mousseau finished his playing career at North Park University (DIII) in Chicago, Ill. as a grad transfer. In his final collegiate season, he helped the Vikings reach the College Conference of Illinois and Wisconsin (CCIW) tournament. During his time at NPU, Mousseau also served as a Pitching Intern at Push Performance in Tempe, Ariz. where he worked with pitchers Logan Webb, Kyle Bradish, Ian Hamilton and Shelby Miller among others.
Mousseau received a degree in Sports Communication from Upper Iowa University (DII). In addition to being on the baseball team, he also served as a color commentator for the Peacocks volleyball team. Prior to UIU, he played at junior colleges, Western Nebraska CC and Barstow CC (Calif.). Mousseau helped Western Nebraska reach the Region IX championship game in 2019.
A native of Boulder, Colo., Mousseau graduated from Fairview High School in 2017 where he earned letters in football (four) and baseball (two).
Mousseau brings knowledge in Biomechanics, Analytics and Strength and Conditioning for the Polars.
