George won a gold medal with the Australia national field hockey team (The Kookaburras) at the 2004 Summer Olympics in Athens, and captained The Kookaburras at the 2008 Summer Olympics,[2] where they won a bronze medal.

George, nicknamed Jethro,[2] played his 100th match for The Kookaburras on 23 May 2004 against Belgium during the European Tour.

[9] After winning a medal at the 2008 Summer Olympics, he retired from the sport.

While this squad is not in the top twenty-eight and separate from the Olympic training coach, the Australian coach Ric Charlesworth did not rule out selecting from only the training squad, with players from the Olympic development having a chance at possibly being called up to represent Australia at the Olympics.

He trained with the team from 18 January to mid-March in Perth, Western Australia.