Associate Professor Hamish Graham is a paediatrician, clinician-scientist, and leader in oxygen service delivery in low-resource settings globally. He works at the Centre for International Child Health, MCRI, University of Melbourne, and the Royal Children’s Hospital, is Visiting Consultant at University College Hospital Ibadan, Nigeria, and Co-Chairs the Lancet Global Health Commission on Medical Oxygen. Hamish is passionate about improving care for children in low- and middle-income countries, with a special interest in respiratory support for children and neonates, access to pulse oximetry and oxygen, and systems of care for children with acute and chronic conditions. Hamish works with collaborators in Nigeria, Uganda, Afghanistan, Lao PDR, and Cambodia, and has been supported by RCH Foundation, NHMRC, BMGF, Grand Challenges Canada, and others. Hamish has worked with MSF (Darfur, Sudan), and consulted for WHO, WHO-EMRO, UNICEF, ADB.