Yong Xia is a professor in the Department of Civil and Environmental Engineering at the Hong Kong Polytechnic University. He has established health monitoring systems for a wide range of structures, including the the world-longest Hong Kong-Zhuhai-Macao Bridge. He is a council member of the International Society for Structural Health Monitoring of Intelligent Infrastructure and a fellow of The Hong Kong Institution of Engineers.

Yi Zhou is an associate professor in the Department of Civil Engineering at the University of Science and Technology Beijing. He serves as a council member of the Institute of Diagnosis Treatment and Maintenance for Engineering at the Architectural Society of China and a research fellow at the National Observation and Research Station of Material Corrosion and Structural Safety of the Hong Kong-Zhuhai-Macao Bridge.