Siobhan graduated from the NSW Talent Development Project for Musical Theatre in 2015 and was a Featured Vocalist in the NSW Schools Spectacular from 2011 through to 2016.
Siobhan was a member of the Australian Children's Entertainment Group, Hi-5 since late 2016. As a part of Hi-5, she featured in the TV series Hi-5 Series 17, as well as regular touring throughout Asia and Australia.
Other credits include Kate Kelly in NED (Plush Duck Productions), A Little Cabaret (Little Triangle), Minimus in Animal Farm (NSW State Drama Company), the Netball World Cup, Life Educations’ Gold Ball, Wicked (Packemin Productions), and Wollemi Warrior (Mt Tomah Botanical Gardens).