Dr Mandy Wan is a pharmacist with over 15 years’ experience working across healthcare, clinical research, and academia. Her research focuses on improving children’s medicines and have extensive experience working on commercial and investigator-led paediatric clinical trials. Her research is also motivated towards using data derived from health records to advance our understanding of medicines use in children. Mandy was awarded a HEE-NIHR Clinical Doctoral Research Fellowship. Her thesis focused on using big data to understand vitamin D prescribing practices in children, and applied population pharmacokinetic modelling to inform vitamin D dosing in children with chronic kidney disease. As the NIHR Clinical Research Network Specialty Pharmacist Lead for Children and Young People, her work also involves developing and delivering national and international collaborative paediatric clinical trials across a range of different clinical specialities.