Jiyin HE@jiyinheFollow BadgesProblem SolvingDays ofStatistics CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencejiyinhe has not updated employment details yet.EducationN/ALinksjiyinhe has not updated links details yet. Skillsjiyinhe has not updated skills details yet.