He has told tales all over the world, from the Arctic to the Pacific to the Caribbean, in schools and theatres, at festivals and on radio. He is particularly well known for his retellings of Greek myth with Hugh Lupton. In 2006 they were awarded the Classical Association Award for “the most significant contribution to the public understanding of the classics”
Since 2006 he has collaborated with The Devil’s Violin Ensemble. He has twice won the English-language section of the Welsh Books Council’s Tir na n-Og Awards, first in 2007 for Dark Tales from the Woods, based on Welsh folktales, and then in 2013 for Tree of Leaf and Flame, a collection of stories retelling the Mabinogion. In 2017 he was awarded the Hay Festival Medal for his storytelling. He is a visiting Fellow of the George Ewart Evans Centre for Storytelling at the University of South Wales.