Career
He held seven Australian senior titles in his own division, picked up a total of sixteen medals in his career, including two golds from the Oceania Championships, and represented his nation Australia in two editions of the Olympic Games (2000 and 2004). Throughout his sporting career, Collett trained full time for Caulfield Judo Club in his native Melbourne, under head coach and sensei Arthur Moorshead (later died in 2010). Collett made his official debut at the 2000 Summer Olympics in Sydney, where he competed for the host nation team in the men"s half-lightweight class (66 kg).
At the 2004 Summer Olympics in Athens, Collett qualified for his second Australian squad in the men"s lightweight class (73 kg), by placing second and receiving a berth from the Oceania Championships in Noumea, New Caledonia.
Unlike his previous Olympics, Collett conceded with a shido penalty and suffered an early exit to an ippon victory and a sumi gaeshi throw from Poland"s Krzysztof Wiłkomirski two minutes and forty-six seconds into their opening match.