Dr. Li Cheng is Chair Professor of mechanical engineering at the Hong Kong Polytechnic University (PolyU). He received BSc degree from Xi'an Jiaotong University, China and Ph.D. degree from the Institut National des Sciences Appliquées de Lyon (INSA-Lyon), France. He became a faculty member at Laval University, Canada in 1992, rising up to the rank of Full Professor before joining PolyU in 2000. Dr. Cheng is the former Head of the Department of Mechanical Engineering and the current Associate Dean (Research) of the Faculty of Engineering. His research interest covers sound and vibration, structural health monitoring, smart structure and fluid-structure interaction. He currently serves as Deputy Editor-in-Chief of Journal of Sound and Vibration, Associate Editor of the Journal of the Acoustical Society of America, Associate Editor of Structural Health Monitoring: An International Journal and as an editorial board member in other 6 international journals. He has been a Plenary/Keynote Speaker for 40+ times at conferences in USA, UK, France, Japan, Greece, India, South Korea, Tunisia, Poland, Bangladesh and China, including some of the most prestigious conferences in his field such as 24th ICA, 47^th Inter-noise, 23^rd ICSV, 13^th RASD, 47^th ASME-QNDE, 15^th and 19^th APVC and 12^th ICOVP. Dr. Cheng was elected into the Canadian Academy of Engineering in 2021. He is a Distinguished Fellow of the International Institute of Acoustics and Vibration (IIAV) and Fellow of other 5 societies (Acoustical Society of America, Acoustical Society of China, IMechE UK, Hong Kong Institution of Engineers and Hong Kong Institute of Acoustics). He served as the President of the Hong Kong Society of Theoretical and Applied Mechanics. He is a Board Director of the IIAV and the Vice-President Asia Pacific of the I-INCE (International Institutes of Noise Control Engineering).