jae hyoung han@s7h5j7hFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiences7h5j7h has not updated employment details yet.Educations7h5j7h has not updated education details yet.Linkss7h5j7h has not updated links details yet. Skillss7h5j7h has not updated skills details yet.