Shu Chen@chern_noFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencechern_no has not updated employment details yet.Educationchern_no has not updated education details yet.Linkschern_no has not updated links details yet. Skillschern_no has not updated skills details yet.