In 2000, graduated from Peking University with degree of Ph.D. Then became a postdoc in Harvard University Medical school studying human viral neuropathogenesis, specifically focusing on JCV viral pathogenesis and PML research. Identified causative JCV strains of three new JCV related diseases, JCV Granule Cell Neuronopathy (JCV GCN), JCV Encephalopathy (JCVE) and JCV Meningitis (JCVM). In 2005 was invited to coauthor an editorial of JCV GCN in journal of "Ann Neurology". In 2017, joined Rush University Medical Center in Chicago as Assistant Professor started studying the possible association between brain tropism viruses and Alzheimer's Disease (AD) and Parkinson's Disease (PD) and other unknown cause brain diseases. In 2019 joined Northwestern University Feinberg Medical School as Research Assistant Professor to continue investigating potential roles of viruses in neurodegenerative diseases . Participated in the identification of association between Human Pegivirus and PD. Published more than 34 (38 includes papers in Chinese) peer reviewed papers on viral neuropathogenesis and viral neuroimmunology. In 2020, obtained certificate of "Data Scientist with R track" from datacamp.com via online learning during "shelter at home" period in early COVID-19 pandemic. Member of International Society of NeuroVirology and American Neurological Association.