Austin Haynes was born in New Zealand in 2000 and lives in Melbourne, Australia. He started singing when he was seven with the National Boys Choir of Australia with which he has toured the USA, New Zealand, Australia and China.

Austin is currently Co-Captain of the National Boys Choir. He has sung as a soloist with the Victorian Opera and the MSO as well as in choruses with Opera Australia. He regularly performs for More than Opera and Opera in the Roses. Austin has trained with treble and counter-tenor coach Silvia Purcar in Vienna and with Dermot Tutty and Curtis Bayliss in Melbourne.  He has also won multiple eisteddfods including Eisteddfod by the Bay, Opera Idol New Zealand and the Australian National Eisteddfod.