Piet Muis@pietmuisNetherlandsFollow BadgesProblem SolvingDays of CodeDays ofStatisticsSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencepietmuis has not updated employment details yet.Educationpietmuis has not updated education details yet.