Tessa Leong wrote directed and starred in her first show in year one assembly: it was about Martians. Tessa is a founding member of isthisyours?, an Adelaide collective making new performance. In 2009, isthisyours? won the Adelaide Fringe inSPACE Development Award with their work Make Me Honest, Make Me Wedding Cake. In 2010, isthisyours? premiered Best We Forget at the Adelaide Fringe Festival, which then in 2012 featured in the Tamarama Rock Surfers Season in Sydney and then was curated as part of the Under The Radar Brisbane Festival. In 2014, You Wanna Talk About It premiered at the Adelaide Fringe and won the Melbourne Fringe Tour Ready Award. isthisyours? have been selected as part of the HotHouse Month in the Country Residency, Adhocracy and Incubator at Vitalstatistix, Country Arts SA Forged Residency and the MAPS SA program for independent artists.
Tessa also works with artists Emma Beech and James Dodd as part of The Australian Bureau of Worthiness. The bureau is a micro-residency model which asks people 'What makes your day worth it?' The work has been made in Port Adelaide, Geelong, The Falls Festival, Viborg (Denmark) and Goolwa (Kumuwuki, 2012).
Tessa has tutored, directed and mentored at University of Wollongong and Flinders University of SA on creative and academic projects. Her work with Sydney Theatre Company, Ontroerend Goed, Griffin Theatre Company, Vitalstatistix, State Theatre Company of SA, Restless Dance and Force Majeure continues to feed her love of new and challenging work. Tessa was a 2013 Griffin Theatre Studio Artist and in 2014 was chosen by the Australia Council for the Arts to attend the Avignon Festival to participate in an international conference for practicing artists.