Jin Joo Choi
Jin Joo Choi received the B.S. degree in physics education from Seoul National University, Seoul, South Korea, the M.S. degree in physics from Georgia State University, Atlanta, and the Ph.D. degree in nuclear engineering from the University of Michigan, Ann Arbor, in 1983, 1985, and 1991, respectively. In 1991, he joined the Vacuum Electronics Branch, Electronic Science and Technology Division, U.S. Naval Research Laboratory (NRL), Washington, DC. His work at NRL was on the development of high-power millimeter wave gyro-amplifiers for EW and radar applications. In 1997, he joined Kwangwoon University, Seoul, South Korea, where he is currently a professor with the Department of Electronic Convergence Engineering. His research interests include high-power vacuum electronics and passive and active solid state devices.