Opher Lieber@opherlieFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experienceopherlie has not updated employment details yet.Educationopherlie has not updated education details yet.Linksopherlie has not updated links details yet. Skillsopherlie has not updated skills details yet.