Sian started playing rugby at the age of 7 with her two brothers at Mold RFC after a failed attempt at tap dancing.
Went on to represent North Wales U16 and U18 before being selected for Wales U20s.
Sian gained her first Wales cap in 2010 against Scotland in the RBS Six Nations and received her first Wales 7s cap in 2012 in Rugby Europe 2012. Her biggest rugby achievement was captaining Wales 7s at the Commonwealth Games in 2018.
She is currently a Cpl in the Royal Air Force after joining up in 2008, based at MOD St Athan on Elite Athlete Status to play rugby on a full time basis.
Spent 5 years at Worcester and won the Premiership in 2013 before moving to Gloucester-Hartpury last season.