Sheila Llewellyn was born in England, of Welsh heritage, and has dual British/Irish citizenship. In 2002, she trained as a cognitive behavioural therapist at the University of Oxford, moved to Northern Ireland with her husband and worked as a specialist in PTSD at a national trauma centre. She completed a PhD in Creative Writing at the Seamus Heaney Centre for Poetry in Belfast in 2016. She has won the P J O'Connor RTE Radio One Drama Award and the Silver Award for the Best Broadcast Radio Drama in the New York International Radio Drama Festival in 2012. Her short stories have been published in Myslexia; The Bridport Prize Anthology; and New Writing From Ireland. She has also been shortlisted for the Bridport Short Story Prize, the Sean O Faolain Short Story Prize, and shortlisted twice for the Costa Short Story Award.