Yoo Donghyeon@yoodonghyeonKorea, Republic ofFollow BadgesProblem SolvingCPPC language CertificationsCertificate: C (Basic)VerifiedskillCertificate: C (Intermediate)VerifiedskillWork Experienceyoodonghyeon has not updated employment details yet.Educationyoodonghyeon has not updated education details yet.