Over 20 years of experience leading international activities on health and health systems. International expert on health and care issues for elderly populations. Led projects on quality of healthcare policies, health financing and the impact of private health insurance on health systems, health workforce and the international migration of doctors and nurses. Formerly, seconded to the Ministry of Health and Labour of Guyana as Acting Head of the Planning Unit, was instrumental to the implementation of financing and governance reforms of the health system; also worked at UNCTAD. Has travelled extensively in Europe, South America and Asia advising governments on health system policies and reforms. Since 1999, with Organisation for Economic Co-operation and Development (OECD): held responsibilities for co-ordinating involvement at high-level meetings such as on diabetes, dementia and health workforce; has been responsible for OECD Asian Social and Health activities, working with the OECD/Korea Policy Centre; currently, Head of the OECD Health Division, overseeing work on health, aiming to provide internationally comparable data on health and health systems and to apply economic analysis to health policies, advising policy-makers, stakeholders and citizens on how to respond to demands for more and better health.