Mike Koziol finished his fifth season as the head boys water polo coach at Germantown Academy in 2017. The Patriots compiled a 17-8-1 record in 2017. During the year, GA finished third at Easterns, their best finish since 2004. GA also defeated Penn Charter on GA-PC Day for back-to-back years for the first time since 2004-05. Three members of Koziol's 2017 team were selected as First Team All-Inter-Ac performers. Koziol is an alumnus of Wissahickon High School where he was a key contributor to the most successful water polo class in school history, making the state tournament all four years, including a fourth place finish his senior year. He also swam while at Wissahickon. After graduating from Wissahickon, Koziol attended DePaul University in Chicago, Illinois. While at DePaul, he coached a swim team and founded the water polo program at the High Ridge YMCA. Under Koziol's guidance, the water polo program tripled in size in three years and he coached the first player from a Chicago YMCA to be selected to the USA Water Polo Olympic Development program.