Stuart Douglas Mackenzie was born in October 26th, 1990, in Melbourne, Australia.

His is seen as the 'front' of the band as their lead songwriter, lead vocalist, and steers the creative direction of the group either with album concepts, or the constant evolution of songwriting and instrumentation. He primarily plays guitar and often composes or plays bass in studio recordings; additionally composes with and plays flute, clarinet, and anything with a keyboard. Inspired by or formerly played sitar, bağlama, and zurna.