Professor Davidson (MBChB, FCPaed, CMO, MPhil) is the head of the Paediatric Haematology-Oncology Service at the Red Cross War Memorial Children’s Hospital and the University of Cape Town.  His clinical and research interests include paediatric brain tumours, HIV-related cancers, genetic predisposition syndromes, stem cell transplantation for primary immunodeficiency and adapted therapy regimens for low- and middle-income settings. He co-chairs the South African Paediatric Brain Tumour Workshop and serves as the vice-president of the Society for NeuroOncology’s Sub-Saharan Africa branch. Having served as the co-chair of the International Society of Paediatric Oncology’s Global Health Network (PODC) he now chairs the Advocacy committee.