Jem Siow is the vocalist and co-founder of Sydney hardcore band Speed. Jem performs with a magnetic energy blending empowering rage with relentless positivity to share messages of inclusivity. Since their debut EP in 2019, Speed have stormed the global hardcore scene with anthemic songs, including "We See U" and "Not That Nice", performing at the Sound and Fury Festival in 2022 and undertaking tours across Australia, southeast Asia and the USA.