Dr. M. Hayes MB, BCH BAO (Hons) DCH, MRCP (UK) FRCPath is a graduate of University College, Dublin, 1978

After completing her general medical training, she trained in Histopathology at Northwick Park Hospital London and the Royal Postgraduate Medical School, Hammersmith  London. 

She subsequently completed  Fellowship Training in gynaecological Pathology at Massachusetts General Hospital, Harvard Medical School, Boston.

 Dr. Hayes was appointed as lecturer/part time Consultant Histopathologist at Cork University Hospital in November 1987 and subsequently full-time Consultant Histopathologist in July 2001.