He began wrestling when he lived in Wyoming in the United States, where the sport is extremely popular.
"I started wrestling when I was 4 years old. Growing up in the US my older brother and all my friends were all wrestlers so that's how I got into it.
"I love the physicality and intensity that comes with the sport, it's the ultimate challenge."
Kellner has represented New Zealand in wrestling at three Oceania events winning eight gold medals. He is in Year 12 at Kaitaia College where he was co-captain of the First XIII rugby league team. He is also a Northland rep in rugby and an under-17 rugby league Northern Swords rep member along with Te Taitokerau under-17s Māori.
The total cost for the trip is about $4500 and donations can be made at any ANZ bank under Kellner Wrestling with the bank account number 01-0461-0133964-55.