SUKJOON YOON received his B.S. degree in Aeronautical Engineering from the Korea Air Force Academy, in 1984, his M.S. degree in Weapon Systems Engineering from the Korea National Defense University (KNDU), Yangchonmyeon, Nonsan-si, Chungcheongnam-do, Republic of Korea, in 1992, and his M.S. degree from the Department of Military Science, Führungsakademie der Bundeswehr, Hamburg, Germany, in 1998. Since 2021, he has been a Joint Test Team Analyst of the Republic of Korea Joint Chiefs of Staff, Republic of Korea. Since 2021, he worked for the Department of Computer Engineering, Sejong University, South Korea, where he is currently a professor. His research interests include cyberspace, force, weapons, and cyber warfare.