Rachel Trezise, was born in the Rhondda Valley, south Wales, in 1978. She studied at the universities of Glamorgan, Wales and Limerick, Ireland. Her debut novel In and out of the Goldfish Bowl (Parthian, 2000) was one of the winners of the highly regarded Orange Future Awards 2001 and was published in Italian by Einaudi. She was invited to tour a number of European literature festivals in 2002 as part of the Scritture Giovani initiative introducing a new generation of European writers.

In 2006, she won the inaugural Dylan Thomas Prize for Fresh Apples. The Dylan Thomas Prize is the UK's largest literary prize and is open to published writers under 30 writing in English anywhere in the world.

Dial M for Merthyr, her third book, was published in 2007 and has been described as part reportage, part social history and part memoir. Her first venture into theatre, I Sing of a Maiden, a conversation between the ancient and contemporary, exploring teenage pregnancy and interspersed with folk song performed by Charlotte Greig, played to sell-out audiences in Wales in 2007. Her first radio play Lemon Meringue Pie was broadcast on BBC Radio 4's Afternoon Play slot in September 2008.

Her novel Sixteen Shades of Crazy was published by Blue Door in 2010. Her latest book, Cosmic Latte, a collection of short stories was published by Parthian in 2013 and won the Edge Hill Prize Readers Award in 2014. Her first play Tonypandemonium was produced by National Theatre Wales in 2013 and won the Theatre Critics of Wales Award for best production. Her second play for National Theatre Wales, We’re Still Here, premiered in September 2017. Her latest play, Cotton Fingers, also for National Theatre Wales, has recently toured Ireland and Wales. At the Edinburgh Fringe Festival 2019 it was chosen by The Stage as one of the best shows in the festival and received a Summerhall Lustrum Award. Her debut novel has recently been reissued in the Library of Wales series, a project re-publishing classic Welsh literature in English.

Her work has been translated into several languages, including most recently, Danish, Serbian and Italian.

Her latest novel, Easy Meat, was published by Parthian in June 2021 and is selected to our 2021 Bookcase.