Head coach Jimmy Ramaley is in his 5th year as head coach of the program, and 7th overall having served as assistant for two years. Ramaley is a former 2009 GHS captain and grew up playing for legendary coach Terry Lowe who started the program in 1974. He went on to play college water polo at Division 1 Iona College captaining the Gaels in 2014. Coach Jimmy is also an assistant coach for the boys swim team. In the offseason Jimmy coaches water polo for CT Premier Water Polo Club formerly known as Chelsea Piers as well as for local summer league team Roxbury.
Assistant coach Sam Bass is in his 4th year as part of the Cardinals coaching staff. Sam was a member of the last undefeated GHS team in 2013, and graduated in 2014. Bass played collegiately at the club level for Bates College and was named the North Atlantic Division MVP in 2017. Coach Sam also coaches for CT Premier Water Polo Club and for local summer league club Rocky Point.