Havili represented New Zealand Secondary Schools' in 2016, winning the Golden Boot as NZ's best player, played for Auckland in 2017 and helped the Auckland Under 19 side to the Graham Mourie Cup (Premiership title) in the Jock Hobbs Memorial National Under 19 tournament. For his efforts, he was awarded Player of the Tournament.
Havili featured Auckland during the 2017 Mitre 10 Cup season.
He made one appearance for the Blues in Super Rugby during their 2018 match against the Rebels.
The 2018 season saw him make a move to Tasman ahead of the 2018 Mitre 10 Cup.
He made one appearance for the Blues in Super Rugby during their 2018 match against the Rebels and was part of the Tasman Mako side that won back-to-back titles in the 2019 and 2020 seasons.
Havili joined the Crusaders in 2020 as a powerful ball carrier and defender.
In Round 3 of the 2021 Bunnings NPC Havili suffered a season ending injury while playing for Tasman against Northland. In 2023 the four-time Super Rugby Pacific Champ signed with Moana Pasifika ahead of the 2024 Super Rugby Season.
Ahead of the Rugby World Cup 2023, Havili has been named in the training squad for Tonga.
(TZ July 2023)
|2018 - present|
|2022 - present|
|Moana Pasifika Rugby
|2023 - present|
|2017 - 2017|
|2018 - 2018|
No 4 Lock
|2019 - 2023|