Olivia has been working on international public health issues since 2001, with an interest in health system strengthening and in particular the delivery of community-based health services. She has a background in mixed methods health research, using applied anthropological and public health research techniques. She specialises in research to understand the interface between communities, providers and health systems in order to develop good quality of care and equitable provision of services. Her work has focused on a range of sectors: maternal health, child and adolescent health, HIV and tuberculosis. She has experience in a large number of Asian and East African countries and lived in Thailand for many years working in paediatric HIV care and service provision and wrote her PhD thesis on this subject. Olivia joined ODI in 2015, and will be helping to develop its health focus, with a politics and governance perspective.