All medalists.
IMO & IOI, including honourable mentions.
KSKyeong Su ChoiRepublic of KoreaIMO2002 · 2003Competition recordSilver medalKPKyle Patrick DulayPhilippinesIMO2014 · 2015 · 2016 · 2017 · 2018Azeus Systems Philippines LimitedIndexed profileKMKyo Min JeongRepublic of KoreaIMO1995Competition recordGold medalKAKyriaki AssouCyprusIMO2024Competition recordHonourable mentionKAKyriakos AxiotisGreeceIOI2011GoogleStaff Research ScientistIndexed profileKTKyriakos TsiannisCyprusIMO2021 · 2022 · 2023Competition recordHonourable mention
Kyriakos TsourekasGreeceIMO2024 · 2025MercorMath ExpertAutumn profileKZKyriakos ZachariasCyprusIMO2001 · 2003Ministry of Education, Sports and Youth (Cyprus)High School Mathematics TeacherIndexed profileKRKyrill RovinskyFranceIMO2026Competition recordSilver medalKMKyrylo MyliarchykUkraineIMO2011Competition recordGold medalKHKyu Hyeon ChoiRepublic of KoreaIMO2017FreelanceBig Data Specialist and Digital Transformation technology developerIndexed profileKPKyungjun ParkRepublic of KoreaIMO2024 · 2025Competition recordGold medalKLKyungyong LeeRepublic of KoreaIMO1994 · 1995Hanyang UniversityAssociate ProfessorIndexed profileKYKyung Yoon OhRepublic of KoreaIOI2002ABLY CorporationChief Product OfficerIndexed profileKYKyung Young LimRepublic of KoreaIOI1999KRAFTON Inc.VP, Head of AI TransformationIndexed profileLWLadina WohlwendLiechtensteinIMO2017Cicor GroupEngineer Additive ManufacturingIndexed profileLBLadislav BačoSlovakiaIOI2010Competition recordBronze medalLBLadislav BačoSlovakiaIMO2010AllianzFinancial Services ConsultantIndexed profileLBLadislav BaranCzechoslovakiaIMO1960Competition recordHonourable mentionLOLaetitia OrglmeisterSwitzerlandIOI2026Competition recordSilver medalLALaftit AbdelouafiMoroccoIMO1986Competition recordBronze medalLCLai Chee ManHong KongIMO1989Competition recordBronze medalLFLai Fan PunMacauIMO2005 · 2006 · 2007Competition recordBronze medal · Honourable mention
Laith TwairQatarIMO2026Competition recordHonourable mentionAutumn profileLULai U ChoiMacauIMO1994Competition recordHonourable mentionLLLajanugan LogeswaranSri LankaIMO2009Competition recordBronze medalLMLajos MolnarHungaryIOI1993Competition recordBronze medalLPLajos PósaHungaryIMO1965 · 1966Competition recordSilver medal · Gold medalLSLajos SoukupHungaryIMO1975 · 1976MTA Alfred Renyi Institute of MathematicsResearch advisorIndexed profileLKLamija KujanBosnia and HerzegovinaIMO2014Competition recordHonourable mentionIndexed profileLNLam Nguyen Hy HoaiVietnamIOI2017Competition recordBronze medalLTLâm Tung GiangVietnamIMO1985Competition recordSilver medalLBLance BakkerNetherlandsIMO2022 · 2023Competition recordHonourable mention · Bronze medalLQLangrui QiChinaIOI2023Competition recordGold medal
Lantian ChenChinaIMO2014IntelmatixData ScientistAutumn profileLJLaphonchai JirachuphunThailandIOI2011Competition recordBronze medalLMLap Ming Alvin LauHong KongIMO1997 · 1998Competition recordBronze medalLSLara SemešCroatiaIMO2023Competition recordBronze medalIndexed profileLSLara SemešCroatiaIOI2023Competition recordHonourable mentionIndexed profileLCLarissa Cavalcante Queiroz de LimaBrazilIMO2002 · 2003Competition recordSilver medal · Honourable mention
Lars ÅströmSwedenIMO2014Jane StreetAssistant Quantitative TraderAutumn profileLDLars DhoogheBelgiumIMO2025 · 2026Competition recordHonourable mentionIndexed profileLKLars KrabbenhöftGermanyIMO2024Competition recordBronze medalLMLars MunserGermanyIMO2013 · 2014TNG Technology ConsultingSoftware ConsultantIndexed profileLPLars PosNetherlandsIMO2022Dowwork activty coordinatorIndexed profileLWLars WillförSwedenIMO1988Competition recordBronze medalLJLasha JikiaGeorgiaIMO1994Competition recordHonourable mentionLLLasha LakirbaiaGeorgiaIMO2008 · 2009 · 2010GoogleSoftware EngineerIndexed profileLPLasha PaitchadzeGeorgiaIMO1996 · 1997PrintWallManaging DirectorIndexed profileLPLasha PeradzeGeorgiaIMO2008 · 2009 · 2010LTD Georgian AmeliorationTechnical EngineerIndexed profileLBLasko BasnarkovNorth MacedoniaIMO1995Faculty of Computer Science and Engineering - SkopjeAssociate ProfessorIndexed profileLVLasse VekamaFinlandIMO2009Competition recordHonourable mentionLBLászló BabaiHungaryIMO1966 · 1967 · 1968University of ChicagoprofessorIndexed profileLBLászló Bence SimonHungaryIMO2023 · 2024Competition recordGold medalLCLászló CsirmazHungaryIMO1967 · 1968 · 1969Competition recordSilver medal · Gold medalIndexed profileLÉLászló ÉltetőHungaryIMO1975RTXCISSP, Sr. Principal Software EngineerIndexed profileLELászló ErdősHungaryIMO1983 · 1984Institute of Science and Technology AustriaProfessorIndexed profileLGLászló GálfiHungaryIMO1961 · 1962Competition recordBronze medal · Silver medalIndexed profileLGLászló GerencsérHungaryIMO1963 · 1964Competition recordSilver medal · Gold medalLGLászló GóthHungaryIMO1961Competition recordHonourable mention
Kyriakos TsourekasGreeceIMO2024 · 2025MercorMath ExpertAutumn profileKZKyriakos ZachariasCyprusIMO2001 · 2003Ministry of Education, Sports and Youth (Cyprus)High School Mathematics TeacherIndexed profileKRKyrill RovinskyFranceIMO2026Competition recordSilver medalKMKyrylo MyliarchykUkraineIMO2011Competition recordGold medalKHKyu Hyeon ChoiRepublic of KoreaIMO2017FreelanceBig Data Specialist and Digital Transformation technology developerIndexed profileKPKyungjun ParkRepublic of KoreaIMO2024 · 2025Competition recordGold medalKLKyungyong LeeRepublic of KoreaIMO1994 · 1995Hanyang UniversityAssociate ProfessorIndexed profileKYKyung Yoon OhRepublic of KoreaIOI2002ABLY CorporationChief Product OfficerIndexed profileKYKyung Young LimRepublic of KoreaIOI1999KRAFTON Inc.VP, Head of AI TransformationIndexed profileLWLadina WohlwendLiechtensteinIMO2017Cicor GroupEngineer Additive ManufacturingIndexed profileLBLadislav BačoSlovakiaIOI2010Competition recordBronze medalLBLadislav BačoSlovakiaIMO2010AllianzFinancial Services ConsultantIndexed profileLBLadislav BaranCzechoslovakiaIMO1960Competition recordHonourable mentionLOLaetitia OrglmeisterSwitzerlandIOI2026Competition recordSilver medalLALaftit AbdelouafiMoroccoIMO1986Competition recordBronze medalLCLai Chee ManHong KongIMO1989Competition recordBronze medalLFLai Fan PunMacauIMO2005 · 2006 · 2007Competition recordBronze medal · Honourable mentionLaith TwairQatarIMO2026Competition recordHonourable mentionAutumn profileLULai U ChoiMacauIMO1994Competition recordHonourable mentionLLLajanugan LogeswaranSri LankaIMO2009Competition recordBronze medalLMLajos MolnarHungaryIOI1993Competition recordBronze medalLPLajos PósaHungaryIMO1965 · 1966Competition recordSilver medal · Gold medalLSLajos SoukupHungaryIMO1975 · 1976MTA Alfred Renyi Institute of MathematicsResearch advisorIndexed profileLKLamija KujanBosnia and HerzegovinaIMO2014Competition recordHonourable mentionIndexed profileLNLam Nguyen Hy HoaiVietnamIOI2017Competition recordBronze medalLTLâm Tung GiangVietnamIMO1985Competition recordSilver medalLBLance BakkerNetherlandsIMO2022 · 2023Competition recordHonourable mention · Bronze medalLQLangrui QiChinaIOI2023Competition recordGold medalLantian ChenChinaIMO2014IntelmatixData ScientistAutumn profileLJLaphonchai JirachuphunThailandIOI2011Competition recordBronze medalLMLap Ming Alvin LauHong KongIMO1997 · 1998Competition recordBronze medalLSLara SemešCroatiaIMO2023Competition recordBronze medalIndexed profileLSLara SemešCroatiaIOI2023Competition recordHonourable mentionIndexed profileLCLarissa Cavalcante Queiroz de LimaBrazilIMO2002 · 2003Competition recordSilver medal · Honourable mentionLars ÅströmSwedenIMO2014Jane StreetAssistant Quantitative TraderAutumn profileLDLars DhoogheBelgiumIMO2025 · 2026Competition recordHonourable mentionIndexed profileLKLars KrabbenhöftGermanyIMO2024Competition recordBronze medalLMLars MunserGermanyIMO2013 · 2014TNG Technology ConsultingSoftware ConsultantIndexed profileLPLars PosNetherlandsIMO2022Dowwork activty coordinatorIndexed profileLWLars WillförSwedenIMO1988Competition recordBronze medalLJLasha JikiaGeorgiaIMO1994Competition recordHonourable mentionLLLasha LakirbaiaGeorgiaIMO2008 · 2009 · 2010GoogleSoftware EngineerIndexed profileLPLasha PaitchadzeGeorgiaIMO1996 · 1997PrintWallManaging DirectorIndexed profileLPLasha PeradzeGeorgiaIMO2008 · 2009 · 2010LTD Georgian AmeliorationTechnical EngineerIndexed profileLBLasko BasnarkovNorth MacedoniaIMO1995Faculty of Computer Science and Engineering - SkopjeAssociate ProfessorIndexed profileLVLasse VekamaFinlandIMO2009Competition recordHonourable mentionLBLászló BabaiHungaryIMO1966 · 1967 · 1968University of ChicagoprofessorIndexed profileLBLászló Bence SimonHungaryIMO2023 · 2024Competition recordGold medalLCLászló CsirmazHungaryIMO1967 · 1968 · 1969Competition recordSilver medal · Gold medalIndexed profileLÉLászló ÉltetőHungaryIMO1975RTXCISSP, Sr. Principal Software EngineerIndexed profileLELászló ErdősHungaryIMO1983 · 1984Institute of Science and Technology AustriaProfessorIndexed profileLGLászló GálfiHungaryIMO1961 · 1962Competition recordBronze medal · Silver medalIndexed profileLGLászló GerencsérHungaryIMO1963 · 1964Competition recordSilver medal · Gold medalLGLászló GóthHungaryIMO1961Competition recordHonourable mention