Alexandra is a Clinician Scientist in Paediatric Immunology. She holds a Wellcome Trust Clinical Research Career Development Fellowship to study thymus biology and T-cell lymphopoiesis in the context of thymus transplantation for patients with congenital athymia, who are treated at Great Ormond Street Hospital for Children NHS Foundation Trust in London, UK. Her research takes place at UCL Great Ormond Street Institute for Child Health and is focused on improving outcomes for children with congenital athymia. Alex participated in the first Ride for their Lives, to COP26 in 2021.