Jonathan Zheng@jxz12United KingdomFollow BadgesProblem SolvingDays ofStatistics CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencejxz12 has not updated employment details yet.Educationjxz12 has not updated education details yet.