Yong Sup Choi was born in 1973 in Korea. He received the Doctor of Engineering degree from Hanyang University in 2005. He had spent his career at Samsung SDI from 2005 to 2011 and had been involved in the research on development of plasma equipment for Plasma Display Panel and Organic Light Emitting Diode production. Since 2011, he is a senior researcher of Korea institute of Fusion Energy. He is general director of Institute of Plasma Technology at Korea institute of Fusion Energy from 2021. He is interested in plasma material interaction, new plasma sources for industrial application, and thermal plasma for waste treatment. Dr. Yong Sup Choi is a member of the Korean Society for Precision Engineering and the Korean Vacuum Society in Korea.