Chak Wong@chak_wongUnited StatesFollowAboutCurrentThe United NationsEducationColumbia University BadgesProblem SolvingPythonDays ofStatisticsSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork ExperienceThe United NationsEducationColumbia UniversityThe Data Incubator