Deirdre Sullivan is a writer and teacher from Galway. She now lives in Ranelagh in Dublin. She took a course with Siobhán Parkinson who taught creative writing at Colaiste Mhuire, Marino, Dublin. Her lecturer commissioned her to write her first book. Several of her books have been shortlisted for awards and Tangleweed and Brine won the 28th CBI Book of the Year Awards, written with illustrator Karen Vaughan. Her first play, "Wake", debuted in Galway in February 2019