Yafei Si is PhD candidate at the University of New South Wales (UNSW) and the ARC Centre of Excellence in Population Ageing Research (CEPAR). Yafei is a Research Fellow in Health Economics at the Global Labor Organization (GLO). His research focuses on public policies and the economics of healthy ageing. He has a strong record of publications in high-impact journals (i.e., Lancet, Social Science & Medicine, Journal of Gerontology Series A, and Bulletin WHO). Yafei is also a visiting PhD student at the London School of Economics (LSE) and the Care Policy and Evaluation Centre (CPEC). Before joining UNSW Sydney, he was a Postgraduate Fellow at Yale University. Yafei holds a Bachelor’s and an M.Phil. degree from Xi’an Jiaotong University, China.