Michał Warchalski@waral91GermanyFollowAboutEducationRheinische Friedrich-Wilhelms Universität Bonn BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencewaral91 has not updated employment details yet.EducationRheinische Friedrich-Wilhelms Universität Bonn