- Number: 245
- Position: Prop
- Born: 14 April 1993
- Height: 178 cm
- Weight: 128 kg
- Province: North Harbour
- Blues Debut: 2015 v Crusaders
- Blues Caps: 24 (SR 23)
The North Harbour prop made his debut for the Blues against the Crusaders in 2015.
Sione, like many others at the Blues, has come through the St Kentigern College rugby establishment, helping the school win the Auckland competition in 2012. In 2011 he was selected for the NZ Secondary Schools squad and in 2013 he was selected for the NZ U20 squad.
He overcame serious illness following his time in the Under 20s to play for North Harbour and the Blues Development team in 2014. He has developed well under tutelage from the likes of Tony Woodcock and Charlie Faumuina, Sione played eight times for the Blues last year, and has been impressive in the 2016 Mitre 10 Cup for North Harbour.