All medalists.
IMO & IOI, including honourable mentions.
HTHuy Tùng NguyễnVietnamIMO2014NTUResearch staffIndexed profileHYHwan-Seung YeoRepublic of KoreaIOI2003QuoraDirector of EngineeringIndexed profileHYHwu Yuh-HuaTaiwanIMO1996Competition recordBronze medalHHHyeok Hwa SeongRepublic of KoreaIOI2009HYPERCONNECTData ScientistIndexed profileHCHyeongjoe ChuRepublic of KoreaIMO2024Competition recordGold medalHLHyeonjun LeeRepublic of KoreaIMO2025 · 2026Daejeon Science High SchoolHigh School StudentIndexed profileHLHyeonseop LeeRepublic of KoreaIOI2012MolocoMachine Learning EngineerIndexed profileHYHyewon YoonRepublic of KoreaIMO2025Competition recordGold medalHHHylke HoogeveenNetherlandsIMO2021 · 2023Competition recordBronze medalHJHynek JemelíkCzech RepublicIOI2009 · 2010 · 2011Competition recordBronze medal · Gold medal · Silver medalIndexed profile
Hyong-Jun KimRepublic of KoreaIMO2000AlphaGrepVice President, Quant Research & TradingAutumn profileHUHyon U JangDemocratic People's Republic of KoreaIMO2026Competition recordSilver medalHRHyo Reep SongNew ZealandIMO2006Competition recordHonourable mentionHSHyo Song KimDemocratic People's Republic of KoreaIMO2012Competition recordSilver medalHSHyo Song KimDemocratic People's Republic of KoreaIMO2011Competition recordSilver medalHAHyoung-Jun AhnRepublic of KoreaIMO1999MolocoApplied ScientistIndexed profileHCHyung Chan AnRepublic of KoreaIOI1996 · 1997EPFL (École polytechnique fédérale de Lausanne)PostdocIndexed profileHCHyungjune ChoRepublic of KoreaIMO2025Competition recordSilver medal
Hyungjune KangRepublic of KoreaIMO2005Two SigmaQuantitative ResearcherAutumn profileHSHyung Suk YoonRepublic of KoreaIOI2009MolocoSenior Staff Machine Learning EngineerIndexed profileHKHyung-Sul KimRepublic of KoreaIOI2002Competition recordGold medalHPHyunjung ParkRepublic of KoreaIMO1998Competition recordSilver medalHJHyunjun JangRepublic of KoreaIMO2025Competition recordSilver medalHKHyun Ki KimRepublic of KoreaIMO1997Walmart Global TechSoftware EngineerIndexed profileHKHyunsoo KimRepublic of KoreaIOI2016Competition recordSilver medalHSHyun Soo KimUnited States of AmericaIMO2005Competition recordSilver medalHSHyun Sub HwangRepublic of KoreaIMO2009Competition recordGold medalHCHyunwoo ChoiRepublic of KoreaIMO2024Competition recordSilver medalIndexed profileICIacopo CarusottoItalyIMO1993INOResearcherIndexed profileIGIair GrebnicoffArgentinaIMO2026Competition recordBronze medalIMIakovos MavroidisGreeceIMO1995EXAPSYS Exascale Performance SystemsChief Technology OfficerIndexed profileIWIakov WeinsteinRomaniaIMO1965Competition recordSilver medalIBIan BobrusKyrgyzstanIMO2023 · 2024 · 2025 · 2026Competition recordHonourable mention · Silver medal
Ian BobrusKyrgyzstanIOI2024 · 2026Competition recordSilver medal · Bronze medalAutumn profileIDIan David Bede StarkUnited KingdomIMO1984 · 1985The University of EdinburghSenior Lecturer in Computer ScienceIndexed profileIDIán David Lorenzo GarcíaCubaIMO2024Competition recordHonourable mentionIFI-An FanTaiwanIMO2006Competition recordSilver medalIFIan FleschlerArgentinaIMO2016 · 2017Competition recordHonourable mention · Gold medalIGIan George Taye Cheng EanMalaysiaIMO2021Etiqa Insurance and TakafulHead Customer AdvocacyIndexed profileIGIan GoldbergCanadaIMO1989 · 1990 · 1991Competition recordBronze medal · Silver medal · Gold medalIJIan James HolyerUnited KingdomIMO1972Competition recordBronze medalILIan LeUnited States of AmericaIMO2001University of ChicagoInstructorIndexed profileIMIan Miguel García ArangurenCubaIOI1993 · 1994 · 1995Competition recordBronze medal · Silver medalIMIan Mingyu SeongNew ZealandIMO2013Competition recordHonourable mentionIRIan Robert Hart JacksonUnited KingdomIMO1981Competition recordSilver medalIPIasen P. SiderovBulgariaIMO1992 · 1993 · 1994Competition recordBronze medal · Silver medal · Gold medal
Iavor Kolev KostadinovBulgariaIMO1991CPB SOFTWARE AGSystem DevelopmentAutumn profileIKIbraheem KhanSaudi ArabiaIMO2013 · 2014Competition recordBronze medalIFIbrahem FostokSyriaIOI2026Syrian Olympiad in Informatics (SOI)TrainerIndexed profileIAIbrahim AbughararahSaudi ArabiaIMO2016Competition recordHonourable mentionIKIbrahim KarimliAzerbaijanIMO2023 · 2024Competition recordHonourable mentionIndexed profile
İbrahim Suat EvrenTürkiyeIMO2019Massachusetts Institute of TechnologyPhD Student, Computer ScienceAutumn profileIAIbrokhimbek AkramovUzbekistanIMO2009 · 2010Heidelberg UniversityWissenschaftlicher Mitarbeiter (Postdoktorand)Indexed profileIMIbrokhimjon MirgiyosovUzbekistanIMO2020Competition recordHonourable mentionIndexed profileIKIdo KarshonIsraelIMO2018 · 2019Competition recordBronze medal · Gold medalILIeng Lam LeiMacauIMO2002Mayo ClinicAssistant ProfessorIndexed profileIWIeng Wai LioMacauIMO2003 · 2005Competition recordBronze medal · Honourable mentionIOIeva OzolaLatviaIMO2009Competition recordHonourable mentionIMIgli MllojaAlbaniaIMO2017 · 2019Competition recordHonourable mentionIndexed profileIAIgnacio Agustín RossiArgentinaIMO2005 · 2006Competition recordBronze medal · Silver medal
Hyong-Jun KimRepublic of KoreaIMO2000AlphaGrepVice President, Quant Research & TradingAutumn profileHUHyon U JangDemocratic People's Republic of KoreaIMO2026Competition recordSilver medalHRHyo Reep SongNew ZealandIMO2006Competition recordHonourable mentionHSHyo Song KimDemocratic People's Republic of KoreaIMO2012Competition recordSilver medalHSHyo Song KimDemocratic People's Republic of KoreaIMO2011Competition recordSilver medalHAHyoung-Jun AhnRepublic of KoreaIMO1999MolocoApplied ScientistIndexed profileHCHyung Chan AnRepublic of KoreaIOI1996 · 1997EPFL (École polytechnique fédérale de Lausanne)PostdocIndexed profileHCHyungjune ChoRepublic of KoreaIMO2025Competition recordSilver medalHyungjune KangRepublic of KoreaIMO2005Two SigmaQuantitative ResearcherAutumn profileHSHyung Suk YoonRepublic of KoreaIOI2009MolocoSenior Staff Machine Learning EngineerIndexed profileHKHyung-Sul KimRepublic of KoreaIOI2002Competition recordGold medalHPHyunjung ParkRepublic of KoreaIMO1998Competition recordSilver medalHJHyunjun JangRepublic of KoreaIMO2025Competition recordSilver medalHKHyun Ki KimRepublic of KoreaIMO1997Walmart Global TechSoftware EngineerIndexed profileHKHyunsoo KimRepublic of KoreaIOI2016Competition recordSilver medalHSHyun Soo KimUnited States of AmericaIMO2005Competition recordSilver medalHSHyun Sub HwangRepublic of KoreaIMO2009Competition recordGold medalHCHyunwoo ChoiRepublic of KoreaIMO2024Competition recordSilver medalIndexed profileICIacopo CarusottoItalyIMO1993INOResearcherIndexed profileIGIair GrebnicoffArgentinaIMO2026Competition recordBronze medalIMIakovos MavroidisGreeceIMO1995EXAPSYS Exascale Performance SystemsChief Technology OfficerIndexed profileIWIakov WeinsteinRomaniaIMO1965Competition recordSilver medalIBIan BobrusKyrgyzstanIMO2023 · 2024 · 2025 · 2026Competition recordHonourable mention · Silver medalIan BobrusKyrgyzstanIOI2024 · 2026Competition recordSilver medal · Bronze medalAutumn profileIDIan David Bede StarkUnited KingdomIMO1984 · 1985The University of EdinburghSenior Lecturer in Computer ScienceIndexed profileIDIán David Lorenzo GarcíaCubaIMO2024Competition recordHonourable mentionIFI-An FanTaiwanIMO2006Competition recordSilver medalIFIan FleschlerArgentinaIMO2016 · 2017Competition recordHonourable mention · Gold medalIGIan George Taye Cheng EanMalaysiaIMO2021Etiqa Insurance and TakafulHead Customer AdvocacyIndexed profileIGIan GoldbergCanadaIMO1989 · 1990 · 1991Competition recordBronze medal · Silver medal · Gold medalIJIan James HolyerUnited KingdomIMO1972Competition recordBronze medalILIan LeUnited States of AmericaIMO2001University of ChicagoInstructorIndexed profileIMIan Miguel García ArangurenCubaIOI1993 · 1994 · 1995Competition recordBronze medal · Silver medalIMIan Mingyu SeongNew ZealandIMO2013Competition recordHonourable mentionIRIan Robert Hart JacksonUnited KingdomIMO1981Competition recordSilver medalIPIasen P. SiderovBulgariaIMO1992 · 1993 · 1994Competition recordBronze medal · Silver medal · Gold medalIavor Kolev KostadinovBulgariaIMO1991CPB SOFTWARE AGSystem DevelopmentAutumn profileIKIbraheem KhanSaudi ArabiaIMO2013 · 2014Competition recordBronze medalIFIbrahem FostokSyriaIOI2026Syrian Olympiad in Informatics (SOI)TrainerIndexed profileIAIbrahim AbughararahSaudi ArabiaIMO2016Competition recordHonourable mentionIKIbrahim KarimliAzerbaijanIMO2023 · 2024Competition recordHonourable mentionIndexed profileİbrahim Suat EvrenTürkiyeIMO2019Massachusetts Institute of TechnologyPhD Student, Computer ScienceAutumn profileIAIbrokhimbek AkramovUzbekistanIMO2009 · 2010Heidelberg UniversityWissenschaftlicher Mitarbeiter (Postdoktorand)Indexed profileIMIbrokhimjon MirgiyosovUzbekistanIMO2020Competition recordHonourable mentionIndexed profileIKIdo KarshonIsraelIMO2018 · 2019Competition recordBronze medal · Gold medalILIeng Lam LeiMacauIMO2002Mayo ClinicAssistant ProfessorIndexed profileIWIeng Wai LioMacauIMO2003 · 2005Competition recordBronze medal · Honourable mentionIOIeva OzolaLatviaIMO2009Competition recordHonourable mentionIMIgli MllojaAlbaniaIMO2017 · 2019Competition recordHonourable mentionIndexed profileIAIgnacio Agustín RossiArgentinaIMO2005 · 2006Competition recordBronze medal · Silver medal