I was born in Guangdong, China. I got a Bachelor degree in Peking University, China, a Master degree in Academia Sinica, Beijing, China, and a PhD degree in North Carolina University at Chapel Hill, USA. I was a postdoc research fellow at Harvard University. I was a visiting research fellow at University of Rochester and Princeton University, USA. I am a tenured Full Professor at Department of Statistics and Applied Probability, National University of Singapore. I have trained seven PhD students and a number of postdoc fellows. I have published more than 70 research papers, two monographs, and an edited book of research papers. I have been Associate Editor of a few statistical journals. I have served as a member of several scientific committees for several big international conferences. My research areas include Nonparametric Regression, Longitudinal data analysis, Functional data analysis and High-dimensional data analysis among others.