He obtained his PhD in epidemiology and genetic epidemiology at the Department of Medicine, The University of Hong Kong in 2007. He received his postdoctoral trainings in the area of epidemiology, genetic epidemiology, molecular genomics, and bioinformatics at the Institute for Aging Research, Hebrew SeniorLife, Harvard Medical School (Boston, MA, USA); Genome Institute of Singapore (Singapore); and the University of Hong Kong. Recently, he has been appointed as an honorary research fellow in the Department of Molecular & Clinical Pharmacology, Institute of Translational Medicine, University of Liverpool, United Kingdom.