Chung Dae Hyun@ys2cdhsoftwareFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experienceys2cdh has not updated employment details yet.Educationys2cdh has not updated education details yet.Linksys2cdh has not updated links details yet. Skillsys2cdh has not updated skills details yet.