Hyosung Advanced Materials appointed vice president Hwang Jeong-mo as CEO, who has helped maintain quality and raised technological competitiveness during his long stint as the head of tire cord production and technology, and executive managing director Kim Seung-han as an internal director, who has established a partnership with global auto-makers as a head of the Interior Performance Unit. External directors include Kim Dong-geon, former chief justice of the Seoul High Court; Han In-goo, professor of business administration at the Korea Advanced Institute of Science and Technology (KAIST); and Lee Sang-yeop, a distinguished professor of biotechnology at KAIST. Their rich expertise will lead the company's decision making in the areas of technology, management and law.