Assigned female at birth,[4] Green was born in Suva, Fiji, and moved to Australia's Central Coast, New South Wales with his adoptive parents at the age of five.

He spent 10 years in athletics, representing Australia in the 100m, 200m and long jump at the World Junior Championships, until his cousins convinced him to try rugby sevens.

Green scored an 80-metre try against Canada in the three-match exhibition series at the Gold Coast Sevens, a match broadcast live on Fox Sports.

Green was recruited by the Australian Rugby Sevens program after attending a Pathway to Gold Talent ID camp in Melbourne in 2012.

"[19] Green, on Instagram said: "The past few days have been pretty long and dark since being told I haven't been selected for the Tokyo Olympics.

[22][23] In September 2020, Green, along with Australia sevens teammate Evania Pelite,[24] signed for NRL Women's Premiership (NRLW) team the New Zealand Warriors.