Xiaojun Qiu received his Bachelor and Master degrees from Peking University in 1989 and 1992, and his PhD from Nanjing University in 1995, all majoring in Acoustics. He worked in the University of Adelaide, Australia, as a Research Fellow in the field of active noise control with Professor Colin Hansen from 1997 to 2002, and has been with the Institute of Acoustics of Nanjing University as a professor on Acoustics and Signal processing since 2002. He visited the Institute of Technical Acoustics (RWTH Aachen), Germany, as a Humboldt Research Fellow in 2008, working in the field of sound field reproduction with Professor Michael Vorländer. He worked at RMIT University as a Professor of Design on Audio Engineering from 2013 to 2016, and now he is a Professor in Audio, Acoustics and Vibration in University of Technology Sydney. His main research areas include noise and vibration control, room acoustics, electro-acoustics and audio signal processing, particularly applications of active control technologies. He is a member of Audio Engineering Society and an elected director of the international Institute of Acoustics and Vibration, and serves as an Associate Technical Editor for the Journal of Audio Engineering Society. He has published 2 books, 5 book chapters and more than 350 technique papers, and has been the principal investigator for numerous projects. He has also applied more than 90 patents on audio acoustics and audio signal processing.