Yong Lu@lyonguUnited StatesFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencelyongu has not updated employment details yet.Educationlyongu has not updated education details yet.