Dr. Hoisu Jung (H.S. Jung), born on June 15, 1961, is a Principal Research Scientist at the Korea Institute of Ocean Science and Technology (KIOST). He received his B.S., M.S., and Ph.D. degrees in Oceanography from Seoul National University, completing his doctorate in 1994. Since joining the former Korea Ocean Research and Development Institute (KORDI, now KIOST) in 1994, Dr. Jung has built a distinguished career in marine science, environmental research, and national science and technology policy. His international research experience includes a one-year appointment as a visiting researcher at the Woods Hole Oceanographic Institution/MIT Joint Program in the United States (1997–1998). He also served as Director of the Korea–China Joint Ocean Research Center in Qingdao, China (2006–2008) and worked on national R&D planning and evaluation during his assignment to KISTEP (1999–2000). In 2012, he was seconded to the Presidential Advisory Council on Science and Technology as a full-time expert member. At KIOST, Dr. Jung has held multiple leadership positions, including Head of the Deep-Sea Environmental Research Program (2005–2006), Director of the R&D Office (2008–2009), Director of the Strategic Development Office (2009–2010), and Manager for the operation support of the research vessel Isabu construction program (2010–2011).