Zarn was a graduate of King's College and progressing through the development programmes at Auckland and the Blues. He represented NZ Mฤori Schools and NZ ...
Zarn also spent much of the 2020 season training as injury cover with the Blues. Sullivan made his Mฤori All Blacks debut against Ireland in Hamilton in 2022, alongside his brother Bailyn. It was the first time they had ever played in the same team. Mฤori All Blacks