She is the older sister of Fijian rugby league internationals Ashton, Tariq and Korbin.
[1] She was brought up in a sporting household in Gerringong where Ruan held the gumboot throwing record in 2013.
[3][4][5] Sims was the first woman to receive a player contract in the NRL, signed with the Cronulla-Sutherland Sharks.
[8] In April 2018, Sims stepped down as a Dally M Awards judge after casting votes for the Round 7 NRL game between Parrammatta and Manly at ANZ Stadium where she was not in attendance due to other commitments.
[10] Sims was awarded the Medal of the Order of Australia in the 2021 Queen's Birthday Honours list.