Yvonne has been an Associate Artist of Wales Millennium Centre, Theatr Iolo and Artis Community and a board member of Chapter Arts Centre and Awen Cultural Trust.
Mae Yvonne wedi bod yn Artist Cyswllt yng Nghanolfan Mileniwm Cymru, Theatr Iolo a Chymuned Artis ac yn aelod o fwrdd Canolfan Gelfyddydau Chapter ac Ymddiriedolaeth Ddiwylliannol Awen.