Mark Noizumi@mark_noizumiUnited StatesFollow BadgesProblem SolvingRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Ruby (Basic)VerifiedskillCertificate: Ruby (Intermediate)VerifiedskillWork Experiencemark_noizumi has not updated employment details yet.Educationmark_noizumi has not updated education details yet.