Rachel Trezise was born in the Rhondda Valley. She studied at Glamorgan and Limerick Universities. Her first novel In and Out of the Goldfish Bowl was a winner of the Orange Futures Prize. Her collection of short fiction Fresh Apples won the Dylan Thomas Prize. Her rock travelogue Dial M for Merthyr was published in 2007. Her work has been translated into several languages and her drama has been performed on stage. Her first radio play was broadcast on BBC Radio 4 in 2008.