Joseph Dennis Parker, OM is a New Zealand professional boxer. He has held the World Boxing Organization (WBO) interim heavyweight title since March 2024. Previously, he held the WBO heavyweight title from 2016 to 2018. At regional level, he has held multiple heavyweight championships, including the WBO Oriental, Africa, and Oceania titles; as well as the PABA, OPBF, and New Zealand titles. As an amateur, he represented New Zealand at the 2010 Commonwealth Games in the super-heavyweight division, and narrowly missed qualification for the 2012 Summer Olympics.

The Trusts Arena is an indoor arena located in Henderson, Auckland, New Zealand. It is a multi-purpose stadium that primarily holds sports events and music concerts. The Arena was opened by then Prime Minister of New Zealand Helen Clark on 11 September 2004. It holds 4,901 people. Adjacent to the stadium is an outdoor athletics facility known as the Douglas Track and Field, which has a capacity of 3,000 people.