dohaeng lee@rnclfvkfFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencernclfvkf has not updated employment details yet.Educationrnclfvkf has not updated education details yet.Linksrnclfvkf has not updated links details yet. Skillsrnclfvkf has not updated skills details yet.