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). He has subsequently self-published three novels (Drainland, Harsh Recovery and Civil Twilight) and a fourth novel titled The Student out now via Echo / Bonnier Publishing