Stanley started his senior career in England with Saracens as an academy player from the age of 14.
He made his senior debut for Saracens versus Toulon as a centre under the tutelage of Eddie Jones.
After his time in Auckland Stanley made his way south joining Tana Umaga's Counties Manukau Steelers during the 2014 ITM Cup.
A long-term injury to first-choice first five-eighth Baden Kerr saw him earn game time and make seven appearances scoring 26 points in the process.
[1] Stanley was also involved with the Chiefs development squad in 2015 before signing a short-term deal with Ulster and moving to Belfast for the four remaining months of the season as injury cover.