Career
His usual position is on the wing or at centre. He is part of the Tonga national rugby union team and was part of the 2011 Rugby World Cup where he played in one match. In 2011 he was part of the Tongan squad that defeated France in the pool games at the 2011 Rugby World Cup in New Zealand.
He moved to Bristol from Rugby Roma in 2011.
He was part of the squad that beat Scotland 21–15 at Pittodrie in 2012. In 2013 he signed with London Wasps together with Taione Vea.
He played in the 2013 Pacific Nations Cup. Helu signed a two-year deal with Edinburgh in 2015.