sun yu@sun_moon_star515NetherlandsFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencesun_moon_star515 has not updated employment details yet.Educationsun_moon_star515 has not updated education details yet.