bigcat lu@bigcatluUnited StatesFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencebigcatlu has not updated employment details yet.Educationbigcatlu has not updated education details yet.