Yongke Bill Yu@yongke_bill_yuFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experienceyongke_bill_yu has not updated employment details yet.EducationDalhousie UniversityLinksPortfoliohttp://www.YBYsoftware.org Skillsyongke_bill_yu has not updated skills details yet.