Sioned Wiliam is a writer, broadcaster and producer. She began her career in a double act for BBC Radio 4 with Rebecca Front who she met in the Oxford Revue. She has had a long career in comedy production working on programmes such as Big Train, Drop the Dead Donkey and Yonderland. In Wales she is also known as a writer and broadcaster, working on both Radio Cymru and S4C and has published three novels with Y Lolfa. She is currently working on a fourth novel for them and her first, Dal i Fynd, was optioned for television by Working Title and broadcast on BBC Radio Cymru and has now been translated for the first time into English, as Fiftysomething.