Kevin Zheng@nihiliszFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencenihilisz has not updated employment details yet.Educationnihilisz has not updated education details yet.Linksnihilisz has not updated links details yet. Skillsnihilisz has not updated skills details yet.