All medalists.
IMO & IOI, including honourable mentions.
KLKhek Lun Harold ChaoHong KongIMO2001 · 2002Hanlun Information LimitedCurriculum DeveloperIndexed profileKNKhemarat NimpooyagampongThailandIOI1999 · 2000Competition recordBronze medal · Silver medalKNKhoa Nguyen Ngoc DangVietnamIOI2023CognitivMachine Learning Research ScientistIndexed profileKDKhoi Duong MinhVietnamIOI2022Hanoi University of Science and TechnologyResearch InternIndexed profileKYKhong Yi KyeMalaysiaIMO2013 · 2014Alliance Bank Malaysia BerhadManager, Enterprise RiskIndexed profileKTKhulan TumenbayarMongoliaIMO1996 · 1997Competition recordBronze medalKJKhurram JavedPakistanIMO2014Oak LabFounderIndexed profileKJKhurshid JuraevUzbekistanIMO2015 · 2016Competition recordHonourable mention · Bronze medalIndexed profileKDKhuslen DavaadorjMongoliaIMO2025 · 2026Competition recordBronze medal · Silver medalKAKhusrav AbullaevTajikistanIMO2026Competition recordBronze medalKEKhusravi ElmurodTajikistanIMO2010 · 2011 · 2012Competition recordHonourable mention · Bronze medalKSKiah ShahLuxembourgIMO2024 · 2025Competition recordHonourable mentionIndexed profileKAKian AbolghasemiAlgeriaIMO2025 · 2026Competition recordBronze medal · Honourable mentionKSKian ShamsaeiIslamic Republic of IranIMO2019Fit for BusinessTedPack LeaderIndexed profileKSKian ShamsaieIslamic Republic of IranIMO2020310.aiIndexed profileKFKiarad FadaeihaghiDenmarkIMO2026Competition recordHonourable mentionKRKiarash RezaeiIranIOI2025Alborz High SchoolTeacherIndexed profileKCKiat Chuan TanSingaporeIMO2001 · 2002Competition recordSilver medalIndexed profileKSKiattipoom SicharoenThailandIMO2024 · 2025 · 2026My own company (I am self-employed)Indexed profileKVKien Vu HoangVietnamIOI2019 · 2020Freelance, self-employedDesignerIndexed profileKHKieran HorganIrelandIOI2018 · 2019Competition recordBronze medalKSKieron Scott SinghTrinidad and TobagoIMO2003Prudential AssuranceIndexed profileKHKi Hong KimRepublic of KoreaIMO1988Competition recordBronze medal
Kiho ParkAustraliaIMO2010IMC TradingQuant ResearcherAutumn profileKVKimberly Villalobos CarballoCosta RicaIMO2013 · 2014New York UniversityAssistant ProfessorIndexed profileKJKim Jin HyokDemocratic People's Republic of KoreaIMO2007Competition recordSilver medalKLKim Leang SongCambodiaIMO2007Competition recordHonourable mentionKUKimmo UutelaFinlandIMO1989 · 1990GE HealthCarePrincipal EngineerIndexed profileKRKim RamchenAustraliaIMO2005Competition recordBronze medalKGKims Georgs PavlovsLatviaIMO2019 · 2021 · 2022AOX TradeIndexed profileKMKinan Mamoon Al SarminiSyriaIOI2010 · 2011 · 2012Competition recordBronze medal · Silver medal
Kinantan Arya BagaspatiIndonesiaIMO2017 · 2018 · 2019Money ForwardSoftware + AI Engineer IIAutumn profileKFKin Fai TamHong Kong, ChinaIOI1999Competition recordBronze medalKHKin Hang ChanHong KongIMO1998 · 1999 · 2001The Hong Kong Academy for Gifted EducationAdministrative AssistantIndexed profileKYKinji YoshidaLuxembourgIMO2025 · 2026Competition recordHonourable mentionKNKin Nam LaoMacauIMO2024Competition recordHonourable mentionKCKin-Wah ChanHong KongIMO1990 · 1991Competition recordBronze medalKWKin Wai TongMacauIMO2018 · 2019 · 2020Competition recordHonourable mention · Bronze medalKYKin Yan ChungAustraliaIMO1987Competition recordSilver medalKDKipras DeksnysLithuaniaIOI2024Competition recordHonourable mentionIndexed profileKDKira DüsterwaldSouth AfricaIMO2011NHS EnglandSenior House OfficerIndexed profileKKKiran KedlayaUnited States of AmericaIMO1990 · 1991 · 1992Competition recordGold medal · Silver medalKAKiril AndreevUnion of Soviet Socialist RepublicsIMO1963Competition recordBronze medal
Kiril BangachevBulgariaIMO2017 · 2018Massachusetts Institute of TechnologyPhD Student, Electrical Engineering and Computer ScienceAutumn profileKBKirill BatuzovRussiaIOI2004Ivannikov Institute for System Programming of the Russian Academy of Sciences (ISP RAS)Researcher, Compiler Technologies departmentAutumn profileKEKirill EvenkinBelarusIMO1992Competition recordBronze medalKKKirill KuzminItalyIMO2009EcommpaySenior Backend DeveloperIndexed profileKSKirill SavenkovRussian FederationIMO2009 · 2010Competition recordSilver medalKSKirill SukhovRussian FederationIMO2002Журнал Системный адмистраторAuthor, Technical editorIndexed profileKTKirill TselovalnikovEstoniaIMO2024Competition recordBronze medalKTKirill TyshchukRussian FederationIMO2017Google DeepMindResearch EngineerIndexed profileKZKirill ZolotuskiyIcelandIMO2022 · 2023Competition recordHonourable mentionIndexed profileKSKirilo SimonovUkraineIOI1996Competition recordSilver medalKSKiril SakaliyskiBulgariaIMO1998DRW Trading GroupQuantitative ResearcherAutumn profileKZKiril ZulyamskiBulgariaIMO2026Competition recordBronze medalKZKiril ZulyamskiBulgariaIOI2026Competition recordBronze medalKAKirk AlexanderNew ZealandIMO1994Competition recordBronze medalKHKiryl HulinBelarusIOI2017GoogleSoftware EngineerIndexed profileKKKiryl KardashIOI2024 · 2025 · 2026Competition recordBronze medal · Gold medalKKKiryl KrutskoLithuaniaIMO2025Competition recordBronze medalIndexed profile
Kiho ParkAustraliaIMO2010IMC TradingQuant ResearcherAutumn profileKVKimberly Villalobos CarballoCosta RicaIMO2013 · 2014New York UniversityAssistant ProfessorIndexed profileKJKim Jin HyokDemocratic People's Republic of KoreaIMO2007Competition recordSilver medalKLKim Leang SongCambodiaIMO2007Competition recordHonourable mentionKUKimmo UutelaFinlandIMO1989 · 1990GE HealthCarePrincipal EngineerIndexed profileKRKim RamchenAustraliaIMO2005Competition recordBronze medalKGKims Georgs PavlovsLatviaIMO2019 · 2021 · 2022AOX TradeIndexed profileKMKinan Mamoon Al SarminiSyriaIOI2010 · 2011 · 2012Competition recordBronze medal · Silver medalKinantan Arya BagaspatiIndonesiaIMO2017 · 2018 · 2019Money ForwardSoftware + AI Engineer IIAutumn profileKFKin Fai TamHong Kong, ChinaIOI1999Competition recordBronze medalKHKin Hang ChanHong KongIMO1998 · 1999 · 2001The Hong Kong Academy for Gifted EducationAdministrative AssistantIndexed profileKYKinji YoshidaLuxembourgIMO2025 · 2026Competition recordHonourable mentionKNKin Nam LaoMacauIMO2024Competition recordHonourable mentionKCKin-Wah ChanHong KongIMO1990 · 1991Competition recordBronze medalKWKin Wai TongMacauIMO2018 · 2019 · 2020Competition recordHonourable mention · Bronze medalKYKin Yan ChungAustraliaIMO1987Competition recordSilver medalKDKipras DeksnysLithuaniaIOI2024Competition recordHonourable mentionIndexed profileKDKira DüsterwaldSouth AfricaIMO2011NHS EnglandSenior House OfficerIndexed profileKKKiran KedlayaUnited States of AmericaIMO1990 · 1991 · 1992Competition recordGold medal · Silver medalKAKiril AndreevUnion of Soviet Socialist RepublicsIMO1963Competition recordBronze medalKiril BangachevBulgariaIMO2017 · 2018Massachusetts Institute of TechnologyPhD Student, Electrical Engineering and Computer ScienceAutumn profileKBKirill BatuzovRussiaIOI2004Ivannikov Institute for System Programming of the Russian Academy of Sciences (ISP RAS)Researcher, Compiler Technologies departmentAutumn profileKEKirill EvenkinBelarusIMO1992Competition recordBronze medalKKKirill KuzminItalyIMO2009EcommpaySenior Backend DeveloperIndexed profileKSKirill SavenkovRussian FederationIMO2009 · 2010Competition recordSilver medalKSKirill SukhovRussian FederationIMO2002Журнал Системный адмистраторAuthor, Technical editorIndexed profileKTKirill TselovalnikovEstoniaIMO2024Competition recordBronze medalKTKirill TyshchukRussian FederationIMO2017Google DeepMindResearch EngineerIndexed profileKZKirill ZolotuskiyIcelandIMO2022 · 2023Competition recordHonourable mentionIndexed profileKSKirilo SimonovUkraineIOI1996Competition recordSilver medalKSKiril SakaliyskiBulgariaIMO1998DRW Trading GroupQuantitative ResearcherAutumn profileKZKiril ZulyamskiBulgariaIMO2026Competition recordBronze medalKZKiril ZulyamskiBulgariaIOI2026Competition recordBronze medalKAKirk AlexanderNew ZealandIMO1994Competition recordBronze medalKHKiryl HulinBelarusIOI2017GoogleSoftware EngineerIndexed profileKKKiryl KardashIOI2024 · 2025 · 2026Competition recordBronze medal · Gold medalKKKiryl KrutskoLithuaniaIMO2025Competition recordBronze medalIndexed profile