Western Pennsylvania Interscholastic Athletic League

 
Koller was one of the most decorated swimmers in the history of the WPIAL. Bethel Park’s school colors are black and orange, but the one associated most often with Koller was gold. During his career at Bethel Park, he won six individual WPIAL gold medals in the 50- and 100-yard freestyle events. He set a WPIAL record in the 100 freestyle. Koller also won seven WPIAL gold medals as a member of relay teams and those teams both set WPIAL records. On the PIAA level, Koller won three individual gold medals in both the 50 and 100 and set state records in both events as a senior. He also won five PIAA golds on relay teams and those teams also set PIAA records. All told in individual and relay events, Koller won 21 gold medals at the WPIAL and PIAA levels. After Bethel Park he went on to swim at the University of Pittsburgh, where he helped the Panthers win Big East Conference championships. He coached high school swimming after his college days.