Dong-Guk Paeng is a Professor in the Department of Ocean System Engineering at Jeju National University. He specializes in underwater acoustics and biomedical acoustics, with research focusing on acoustic signal processing, biomedical ultrasound, hemodynamics, and cardiovascular-related biomedical engineering applications. His research interests include underwater acoustics, biomedical acoustics, ultrasound-based vascular assessment, and translational biomedical engineering.