Subarna is a Paediatric Haematologist with an interest in non-malignant blood disorders of childhood, including sickle cell and thalassaemia; rare anaemia and bone marrow failure syndromes. Since 2021, she has been involved in bone marrow transplantation in adults with sickle cell disease at King’s College Hospital. Subarna is currently serving as the National Specialty Adviser and chair of the Clinical Reference Group for Haemoglobinopathy in NHS England. She is also the clinical lead for the Sickle Cell Centre of Excellence project in King’s Health Partner’s Haematology. She led the UK Haemoglobinopathy Peer Reviews from 2018-2020. Subarna is an elected trustee of the British Society for Haematology and the UK Forum on Haemoglobin Disorders. Subarna is interested in clinical and molecular research in sickle cell disease and regularly publishes on these topics.