Dr. Fan Yang is a Researcher in the Applied Physics at The Hong Kong Polytechnic University (PolyU). He received his Ph.D. in Electrical and Electronic Engineering from PolyU in 2024, following a solid academic foundation in Applied Physics. His research primarily focuses on ultrasound sensing technology and its multidisciplinary applications, including wearable digital health, and gerontechnology, battery health diagnostics. Dr. Yang is particularly interested in AI-enhanced ultrasound systems and sensor-based mobility rehabilitation.