Jong Sung Lee@sayhappyRepublic of KoreaFollowAboutEducationKorea University, SeoulBadgesProblem SolvingPythonC languageVerified SkillsCertificate: Problem Solving (Basic)VerifiedWork Experiencesayhappy has not updated employment details yet.EducationKorea University, SeoulComputer Science & Engineering, MS | 2007 - 2009