Frank Mao@maodd_caCanadaFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencemaodd_ca has not updated employment details yet.Educationmaodd_ca has not updated education details yet.