Anon Tan@gbjtanFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencegbjtan has not updated employment details yet.Educationgbjtan has not updated education details yet.Linksgbjtan has not updated links details yet. Skillsgbjtan has not updated skills details yet.