1983, graduated from Department of Stomatology, West China University of Medical Sciences.
1988, graduate student graduated from Department of Stomatology, Xi Jiaotong University with a master's degree in oral and maxillofacial surgery (studied under Professor Hu Yongsheng).
1988-9 1 year, lecturer and attending physician of the First Affiliated Hospital of Shantou University School of Medicine.
1992-93, studying nose, throat, head and neck surgery at Stanford University Medical College (under Professor Willard E. Fee Jr).
In 2002, he graduated from Stanford University Medical College with a doctorate in cancer biology (under the guidance of Professor Branimir I.Sikic).
From 2002 to 2005, he was a postdoctoral researcher in the Cell Biology Laboratory of the National Cancer Institute (under Dr. Michael M. Gottesman).
From 2005 to 10, the National Institutes of Health studied human stem cells (under the guidance of Dr. Ronald D.G. McKay).
20 10, Associate Professor, Department of Microbiology and Immunology, Georgetown University.
20 1 1, senior scientist, National Institute of Neurology and Stroke, National Institutes of Health.