D.O.B: 4th August, 1986
HEIGHT: 186 cm
WEIGHT: 99 kg
POSTION: Second -Row, Centre
CLUB: Canberra Raiders
HONORS: New Zealand, Exiles, Samoa

Iosia (known as Sia) made his 1st grade debut in the 2005 season for the Sydney City Roosters against the Rabbitohs as a 19 year old.

In 2006, Sia represented New Zealand in 5 games and scored 4 tries including a double against Australia in Melbourne.

Sia moved to England in 2010 to play for St Helens where he made an instant impact and was a crowd favourite.  In 2014 Sia was a major part in the victory over Wigan Warriors in the Super League Grand Final.

In 2015, Sia joined the Canberra Raiders on a two year deal.