Iain Ryan grew up in the outer suburbs of Brisbane, Australia. He predominantly writes in the hardboiled/noir genre and his work has been previously published by Akashic Books Online (New York) and Crime Factory (Melbourne).

Four Days, his first novel, saw release November 2015 via Broken River Books. The following year the book was shortlisted for the Australian Crime Writing Association's Ned Kelly Award (Best Debut Fiction). A follow up novel titled The Student is out now via Echo / Bonnier Publishing