He was introduced to boxing in 2012 by his uncle, after Ahio was attacked and stabbed by a group of men while waiting for a bus.
[3] He was inspired by New Zealand Samoan Heavyweight David Tua, and Tongan Legend Kitone Lave.
[6] Around this time is where Hemi Ahio signed a long-term deal with John McRae, promoter of the Super 8 tournament series.
[9] In August 2015, Ahio had his first international fight, in Australia, on a Danny Green undercard against Andre Meunier.
[11] Ahio would return to the Super 8 events on TV when he takes on American Samoan boxer Alapati A'asa for the vacant New Zealand National (NZNBF version) Heavyweight title to end his 2015.
Alongside Junior Fa, Hemi Ahio started training at City Kickboxing under Eugene Bareman and Doug Viney.
[21] Ahio will continue to have more fights overseas, making his Middle East Debut when he fought undefeated Ali Kiydin in July 2019.
[26] Originally his opponent was scheduled to be Joe Jones, however due to a last minute pull out, Ahio took on Christian Ndzie Tsoye.
Ahio won the fight by stoppage as his opponent retired in the corner between rounds due to injury.
[27] Ahio beat former Commonwealth heavyweight champion Lucas Browne by first-round stoppage at the RAC Arena in Perth, Australia, on 12 May 2024.