Jamison Koesterer, a 2007 Johns Hopkins alumnus, has been a key part of the Blue Jays men’s lacrosse program since being named defensive coordinator on May 8, 2020, and was promoted to Associate Head Coach on October 7, 2024.
Before his return to Homewood, he spent four seasons in the same defensive role at UMBC. As coordinator, Koesterer also supports the team’s faceoff specialists in addition to directing the defensive units.
