Kathy Pritchard-Jones is President of SIOP and Professor of Paediatric Oncology at University College London (UCL) Great Ormond Street Institute of Child Health, London, UK. She is an internationally recognised expert in childhood kidney cancers, where she has extensive experience of running multi-centre and international clinical trials and translational research. She also works with epidemiologists and healthcare data scientists for international benchmarking and outcomes research. She has a track record of enabling partnership working to deliver quality improvement in complex care and to accelerate research across both adult and childhood cancer services. Throughout her career she has been an active member of the work of the national Children’s Cancer and Leukaemia Group (CCLG), the International Society of Paediatric Oncology (SIOP) and SIOP Europe. She has published over 250 articles in the field of childhood cancer.