Dr Hazel O’Sullivan
MB, Bch, BAO, MRCPI
Medical Oncologist | The Royal Marsden NHS Foundation Trust, London, UK
Dr Hazel O’Sullivan is a medical oncologist with a special interest in lung cancer and
oncogenetics. She received her Certificate of Completion of Specialist Training from the Royal
College of Physicians of Ireland in 2021. She holds a Postgraduate Diploma in Clinical Trials and
a Postgraduate Certificate in Cancer Genetics. She has completed a clinical research fellowship
in oncogenetics and gynae-oncology and is currently a thoracic oncology clinical research fellow
at the Royal Marsden NHS Trust.