Wonkyu Moon was born in Seoul, South Korea. He received a B.S. degree in mechanical engineering from Seoul National University, Seoul, in 1984; an M.S. degree from the Korea Advanced Institute of Science, Daejeon, South Korea, in 1986; and a Ph.D. degree from The University of Texas at Austin, Austin, TX, USA, in 1995. After receiving his M.S. degree, he was a Researcher with the Korea Atomic Energy Research Institute, Daejeon, for four years. He was a Research Staff Member with the Samsung Advanced Institute of Technology, Suwon, South Korea, for two years, and now he is a professor of mechanical engineering at the Pohang University of Science and Technology (POSTECH), Pohang, South Korea. His main research areas are electromechanical transducers for various applications: sound reception and generation, vibration measurements, and scanning probe microscopy.