She rose through the ranks of her union to become the UNISON Cymru/Wales Head of Health, a position she held up to her election as Assembly Member for Merthyr Tydfil and Rhymney in May 2016.
Cododd trwy rengoedd ei hundeb i ddod yn Bennaeth Iechyd UNSAIN Cymru, swydd a gynhaliodd hyd at ei hethol yn Aelod Cynulliad Merthyr Tudful a Rhymni ym mis Mai 2016.