Hans Rutstrom@HaErRuFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork ExperienceHaErRu has not updated employment details yet.EducationHaErRu has not updated education details yet.LinksHaErRu has not updated links details yet. SkillsHaErRu has not updated skills details yet.