A hithau'n nyrs gofrestredig, mae gan Donna dros 40 mlynedd o brofiad o weithio i'r GIG ac yn y maes addysg, a bu'n aelod annibynnol o sawl sefydliad yn y GIG. Mae Donna hefyd yn ymddiriedolwr i St John Cymru ac yn llywodraethwr yng Ngholeg Grŵp Castell-nedd Port Talbot. Mae ganddi radd PhD, ac yn ddiweddar cafodd Radd Doethuriaeth er Anrhydedd am Wyddoniaeth gan Brifysgol Abertawe.
As a registered nurse, Donna brings more than 40 years-service in the NHS and education and has been an independent member in several NHS organisations. Donna is also a trustee of St John (Cymru) Wales and a governor at Neath Port Talbot Group College. Her academic credentials include a PhD and recently received an Honorary Doctorate of Science from Swansea University.