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