She has also occupied the position of Health and Social Care Appointments Commissioner for London for 2 years, overseeing the competence of NHS Boards and their non-executives.
Mae hefyd wedi gwasanaethu fel Comisiynydd Penodiadau Iechyd a Gofal Cymdeithasol Llundain am gyfnod o 2 flynedd, gan oruchwylio cymhwysedd Byrddau'r GIG a'u swyddogion anweithredol.