Played NYC with the Penrith Panthers in 2009. Joined Newtown for the 2010 NSW Cup season. Signed by the Sydney Roosters for the 2011-2012 season.
In 2011, won the Newtown Jets Best and Fairest, and Best Forward awards, after a season in which he also claimed a swag of Player of the Match accolades.
Represented the Cook Islands in 2010 and was Man of the Match in their victory over NSW Country.
Although an important member of the Roosters 2012 NRL squad, Tinirau has returned to the Jets for a few games, once again showing his great value to any team.