Alex debuted for the Mako in 2015 fresh out of the 2014 Christchurch Boys High School team that won the South Island secondary schools final. His form in the 2016 Mako campaign earned him a call up by the Chiefs and a contract extension with them through 2021. Alex represented the Maori All Blacks in 2019 & 2020 and played in both year's Mitre 10 Cup Premiership victories.