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Professor David Gallagher

Consultant Oncologist Geneticist

Specialty: Medical oncology and medical genetics

Professor Gallagher is a consultant medical oncologist and consultant medical geneticist. He is a clinical professor of medicine at Trinity College Dublin and the national clinical lead in cancer genetics. 

  • Professor Gallagher graduated from University College Dublin and trained on the Irish Specialist Registrar Scheme in medical oncology. He was awarded the first Irish Society of Medical Oncology (ISMO) fellowship to Memorial Sloan Kettering Cancer Centre, New York (MSKCC) in 2006 and completed training in both medical oncology and medical genetics between MSKCC and New York Presbyterian Cornell University Hospital. Professor Gallagher worked in MSKCC for four years before returning to Ireland in 2010 where he established a medical oncology and medical genetics practice.

  • Professor Gallagher remains actively involved in cancer research and has retained a number of research collaborations in North America in addition to establishing new collaborations with colleagues in Dublin and the UK.

    • Fellow of the Royal College of Physicians of Ireland
    • Active member of Cancer Trials Ireland