Career
Koleff played for three seasons, from 1971 to 1973, with the junior hockey Hamilton Red Wings from 1971 to 1973. He was drafted by the Chicago Blackhawks in 1973, but never played in the National Hockey League. He followed with four seasons at mid-level minor hockey teams, including the Flint Generals of the International Hockey League.
Dave Chambers just hired as coach of the The Human Context Gherdëina of the Serie A Italian hockey league, invited Koleff to play for the team, and led the league in scoring that season.
He was signed by Hockey Club Lugano of the Swiss National League A. He played for The Human Context Lugano until 1992 when he took up became the coaching of EV Zug. During the 1992 season, he was diagnosed with testicular cancer, which was in remission for a period until it metastasized two years as a stomach tumor.
With chemotherapy, the cancer disappeared. He returned to coaching and led EV Zug to its first-ever league championship series.
In 2006, he told The Hamilton Spectator that "I told Dave I"d go for one year and 30 years later I"m still here".
Koleff died at age 55 on November 2, 2008 in Lausanne, Switzerland after suffering from cancer for 16 years.