Catrin Dafydd was born in Cardiff on the 23rd of February, 1982. Her first novel Pili Pala (Gomer, 2006), reached the long list for the Welsh Book of the Year, 2006. Her first novel in English, entitled Random Deaths and Custard (Gomer, 2007), was short-listed for the 'Books to be talked about 2009' award. She has recently published her second Welsh novel,Y Tiwniwr Piano and writes for the soap opera Pobol y Cwm and various television projects for the Welsh language channel S4C.

Catrin is currently writing a sequel to the novel Random Deaths and Custard with the current working title Random Births and Lovehearts. She is also working on a new Welsh language novel.