Coach Baker coached the varsity team from 2004-2010 (7 seasons), then coached JV 2011-2014 (4 seasons). Prior he had coached the varsity team at Libertyville from 2001-2003 (3 seasons). His overall record in charge of Hersey Boys Water Polo was 40-103-2.
Coach Mortensen started his career coaching St. Viator water polo in 2000. He moved to the MSL East in 2004 coaching Prospect/Wheelings' coop teams until he took started Prospect's first water polo team in 2006. In 2011 he moved over to Hersey to take over girls and boys swimming/water polo until his water polo retirement in 2017. His overall record is an impressive 247-208-3 with 7 MSL East titles, 2 Sectional titles, and 3 time IHSA Coach of the Year honors.
Coach Popovici (Coach P) has been coaching water polo and soccer for the last 5 years. Along with Coach Hyde he helped Elk Grove's 2012 team reach their most successful season in history. In addition to coaching the boys at Elk Grove, Coach P helped with the girls team in 2013. In 2016 he was a volunteer coach at Glenbrook South. In 2017, Coach Popovici was interim JV coach at Hersey under Coach Mortensen. In the fall of 2017 Coach Popovici was named the new head coach of Hersey Boys Water Polo. In 2019, Coach P led the team to their 3rd MSL East title.