Chang-Hyun Sohn received his M.Sc. in Mechanical Engineering from KAIST in 1985. He also received his Ph.D. in Mechanical Engineering from KAIST in 1991. Dr. Sohn is currently a Professor of Mechanical Engineering at Kyungpook National University, Daegu, South Korea. His research interests include computational fluid dynamics, particle image velocimetry, flow-induced vibration, thermal hydraulics, and flapping foil-based energy harvesters.