He is currently a Full Professor with the Department of Computer Science and Engineering, Shanghai Jiao Tong University after he joined the university in 2009. He was a research fellow with the City University of Hong Kong from 2006 to 2009, a visiting scholar in Microsoft Research Asia in 2011, a visiting expert in NICT, Japan in 2012. His research interests include natural language processing and related machine learning, data mining and artificial intelligence. He is an ACM professional member, and served as area Co-Chair in ACL 2017 on Tagging, Chunking, Syntax and Parsing, (senior) area chairs in ACL 2018, 2019 on Phonology, Morphology and Word Segmentation