Hyosung Chemical named president Park Joon-Hyeong as CEO, who served as a manager in the chemical division, and appointed executive managing director Choi Yeong-gyo as an internal director, who is active in R&D to develop and improve Hyosung's chemical products. External directors included Pyeon Ho-beom, chair professor of accounting at the University of Suwon; Wang Yoon-jong, visiting scholar at the Korea Institute for International Economic Policy; and former Deputy Minister of Justice Lee Chang-jae.