Gyeong Sim Jung is on the human resources and labor team and in charge of counseling about issues relating to labor laws, advising on labor-management relations, and training. Gyeong Sim Jung has advised numerous public and private companies and labor unions and based on such experience, provides accurate information and predictions about and a solution for labor cases and labor-management relations. In particular, Gyeong Sim Jung has extensive experience of handling leading cases about acknowledgment of a death from overwork or a disease related to overwork.