She is a past-President of the Royal College of Physicians, of the Academy of Medical Royal Colleges, and of the British Lung Foundation, and has chaired the UK Health Honours Committee.
Mae'n gyn-Lywydd Coleg Brenhinol y Ffisigwyr, Academi Colegau Meddygol Brenhinol Cymru, a Sefydliad Prydeinig yr Ysgyfaint, ac mae wedi cadeirio Pwyllgor Anrhydeddau Iechyd y DU.