He spent his early years moving between Townsville, Toowoomba, Darwin, Melbourne and Tamworth due to his father's career as an army helicopter pilot.

[1] In year 6 at the age of 11, he settled in Canberra where he tried an array of sports which included Australian rules football, basketball, cricket and rugby union.

He received NAB Under-18 All Australian selection in his final year of junior football and was also nominated for the 2019 NEAFL Rising Star Award.

Green is a promising young player for the GWS Giants, having a breakthrough season in 2021, including being nominated for the 2021 AFL Rising Star in Round 9.

In July 2024, Green was reprimanded by the Australian Football League for comments he made on a since-deleted club podcast criticizing Match Review Officer Michael Christian and the AFL Tribunal.