Associate Professor, Health Services and Systems Research (HSSR) and SingHealth Duke-NUS Global Health Institute (SDGHI)

Deputy Director and Head of Research, Centre for Ageing Research and Education (CARE)

Duke-NUS Medical School

The primary area of his research is ageing, at the individual and the population level. The geographical focus of his research is Singapore, with some work in other Asian countries. Key research projects that he has led or is leading include (1) nationally representative longitudinal surveys of older Singaporeans (PHASE and THE SIGNS Study), studying the predictors and outcomes of change in physical, psychological and social health of older adults, (2) longitudinal quantitative and qualitative studies (TRACE and The Quali-T Study) of older Singaporean-family caregiver dyads, assessing the patterns, correlates and consequences of changes in caregiving-related outcomes over time, and (3) a health services research project (PROMISE), providing the evidence base for older person-centred prescription medication labels.

He has published over 200 peer-reviewed papers in the medical, public health and social science literature. He is a member of the World Health Organization’s Consortium on Metrics and Evidence for Healthy Ageing, and served on the World Economic Forum’s Global Future Council for Healthy Ageing and Longevity for the 2020-2021 term. He received his basic (MBBS) and advanced (MD in Community Medicine) medical training at the University of Delhi, India, and public health (MPH) training at Harvard University, USA.