He received his PhD in the department of electronic engineering from Tsinghua University, China. He was an assistant professor in the department of computer science and engineering in Shanghai Jiao Tong University, and also worked as an associate researcher at the speech group in Cambridge University engineering department, UK. Today, he is an associate professor at SJTU. He was one of the key members to design and implement the Cambridge Multi-Genre Broadcast (MGB) Speech Processing system, which won all four tasks of the first MGB Challenge in 2015. He is a member of IEEE and ISCA. He has published more than 60 papers on speech and language processing. His current research interests include acoustic and language modeling in speech recognition, speaker and language recognition, speech separation, natural language understanding, deep learning and multi-media signal processing.