Calvin Hsieh@rtlecoNAFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencertleco has not updated employment details yet.Educationrtleco has not updated education details yet.Linksrtleco has not updated links details yet. Skillsrtleco has not updated skills details yet.