Oonagh has worked as Senior Pancreatic Cancer Dietitian at the National Surgical Centre for Pancreatic Cancer at St Vincent’s University Hospital, since 2011, establishing a specialist dietetic service for people with pancreatic cancer.  A graduate of Dublin Institute of Technology/Trinity College Dublin, she initially worked at the Mater Misericordiae University Hospital in Dublin before moving to the UK to gain experience in oncology. She spent over 7 years working in the NHS from 2003 to 2010, including Addenbrooke’s Hospital in Cambridge and St Bartholomew’s in London. Her final role in the NHS was as Dietitian Manager at the Royal Marsden Hospital where she was selected for the National Cancer Leadership Programme.

Oonagh is vice-chair of the Nutrition Interest Group of the Pancreatic Society of Great Britain and Ireland (PSGBI), co-ordinating educational activities and representing the group at PSGBI Council since 2017. In 2015 she received a Health Research Board Research Training Fellowship, allowing her to complete her PhD at Trinity College Dublin.  She has recently been appointed as Adjunct Lecturer/ Assistant Professor in the School of Physiotherapy, Public Health and Sports Science, University College Dublin. Her research activities include cancer cachexia, pancreatic exocrine insufficiency, clinical nutritional interventions and body composition assessment.