Thomas Fang Zheng (M'99-SM'06) received his Ph.D. degree in computer science and technology from Tsinghua University, Beijing, China, in 1997. He is now a Research Professor and Director of the Centre for Speech and Language Technologies, Tsinghua University. His research focuses on speech and language processing. He has published more than 250 papers and plays active roles in a number of communities, including the Chinese Corpus Consortium (council chair), the Standing Committee of China’s National Conference on Man-Machine Speech Communication (chair), Subcommittee 2 on Human Biometrics Application of Technical Committee 100 on Security Protection Alarm Systems of Standardization Administration of China (deputy director), the Asia-Pacific Signal and Information Processing Association (APSIPA) (Vice-President and Distinguished Lecturer 2012-2013), Chinese Information Processing Society of China (council member and Speech Information Subcommittee Chair), the Acoustical Society of China (council member), and the Phonetic Association of China (council member). He was an Associate Editor of the IEEE Transactions on Audio, Speech and Language Processing and the APSIPA Transactions on Signal and Information Processing. He is also on the editorial board of Speech Communication, Journal of Signal and Information Processing, Springer Briefs in Signal Processing, and the Journal of Chinese Information Processing, etc. Lantian Li received his B.Sc. degree in China University of Mining and Technology, Beijing in 2013. Since 2013, he has been with the Centre for Speech and Language Technology (CSLT), Tsinghua university as a PhD student. His research interest is speaker recognition with machine learning methods. In May 2016, He received the first-class excellent PhD student award of RIIT, Tsinghua University, due to his cut-edging research on speaker recognition.