Kui YAO received his bachelor degree in electronics engineering from Xi’an Jiaotong University, master degree in technical physics from Xidian University, and Ph.D. in electronic materials and devices from Xi’an Jiaotong University, China. He has been a Principal Scientist since 2013, in Institute of Materials Research & Engineering (IMRE), A*STAR (Agency for Science, Technology, and Research), Singapore. Currently, he is the senior leader for the Piezo Tech group at IMRE, and the lead investigator for the multi-institute joint research program in A*STAR on sensors for ultrasonic structural health monitoring. His main research areas cover piezoelectric and ferroelectric materials, and the sensors and transducers enabled with these materials, including their applications for structural and condition monitoring, ultrasonic and photoacoustic nondestructive testing and diagnosis, noise and vibration mitigation.