All medalists.
IMO & IOI, including honourable mentions.
WBWojciech BanaszczykPolandIMO1973Competition recordBronze medalIndexed profileWCWojciech CzerwińskiPolandIMO2002University of WarsawAssociate ProfessorIndexed profile
Wojciech NadaraPolandIMO2012University of WarsawAssistant Professor (adiunkt), Institute of InformaticsAutumn profileWojciech NadaraPolandIOI2012University of WarsawAssistant Professor (adiunkt), Institute of InformaticsAutumn profileWPWojciech PorowskiPolandIMO2011Competition recordBronze medalIndexed profileWŚWojciech ŚmietankaPolandIMO2005 · 2006QuadratureQuantitative DeveloperAutumn profileWZWojciech ZarembaPolandIMO2007OpenAIOpenAI co-founderIndexed profileWDWojcieh DerkowskiPolandIMO1985Uniwersytet WSB Merito OpoleIndexed profileWBWolfgang BurmeisterGerman Democratic RepublicIMO1967 · 1968 · 1969 · 1970 · 1971Competition recordSilver medal · Gold medalWKWolfgang KlamtGerman Democratic RepublicIMO1964 · 1965Öffentlicher DienstTechnikerIndexed profileWRWolfgang RedtenbacherAustriaIMO1972 · 1973 · 1974Competition recordBronze medalWSWolfgang SchwarzGermanyIMO1987Competition recordGold medalWSWolfgang StöcherAustriaIMO1986 · 1987 · 1988Micro-Epsilon AtensorManager Software DevelopmentIndexed profileWTWolfgang ThallerAustriaIOI1996 · 1997 · 1998 · 1999blackshark.aiLead Engineer 3D GraphicsIndexed profileWCWon Chol PakDemocratic People's Republic of KoreaIMO2014Competition recordHonourable mentionWJWong Jer RenMalaysiaIMO2020 · 2021 · 2022 · 2023 · 2024MIT Computer Science and Artificial Intelligence Laboratory (CSAIL)Undergraduate ResearcherIndexed profileWLWong LijieSingaporeIOI1996 · 1997Competition recordBronze medal · Silver medalIndexed profileWHWon Ho JeongRepublic of KoreaIMO2005Competition recordGold medalWRWonryong RyouRepublic of KoreaIOI2010MolocoMachine Learning EngineerIndexed profileWSWon Seok YooRepublic of KoreaIOI1996 · 1997 · 1998Competition recordGold medal · Bronze medal · Silver medalWKWon-Sik KimRepublic of KoreaIOI2003Competition recordGold medalWCWoojin ChoiRepublic of KoreaIMO2021 · 2022 · 2023Competition recordSilver medal · Gold medalWHWooju HamRepublic of KoreaIMO2024 · 2025Competition recordSilver medal · Gold medalWRWorrawat RungaramsinThailandIMO2022 · 2023Competition recordSilver medalWAWouter AndriessenBelgiumIMO2015Competition recordHonourable mentionWBWouter BerkelmansNetherlandsIMO2006 · 2007 · 2009AchmeaData ScientistIndexed profileWWWouter WaalewijnNetherlandsIOI1999 · 2000Competition recordBronze medalIndexed profileWZWouter ZomervruchtNetherlandsIMO2007Leiden UniversityDoctoral StudentIndexed profileWPWu Po-ChangTaiwanIMO1996Competition recordHonourable mentionWTWuttisak TrongsiriwatThailandIMO2004 · 2005Krungthai BankVice PresidentAutumn profileWSWyant S. ChanPhilippinesIMO1990 · 1991 · 1992 · 1993Marvell TechnologyAVPIndexed profile
Xaver GubášCzechoslovakiaIMO1983Výskumná agentúraRiaditeľ Kancelárie VA (Director of the Office)Autumn profileXCXavier CarusoFranceIMO1997Competition recordHonourable mentionIndexed profileXDXavier Díaz AustrichSpainIMO2023Competition recordHonourable mentionXFXavier Fernández-RealSpainIMO2010Competition recordBronze medalXGXavier GabaixFranceIMO1990Harvard UniversityProf. of economics and financeIndexed profile
Xavier GonzeBelgiumIMO1979UCLouvainFull Professor (Professeur Ordinaire)Autumn profileXGXavier GratalSpainIOI1997 · 1998Competition recordBronze medalIndexed profileXHXavier HainautBelgiumIMO1993 · 1994Competition recordHonourable mention · Bronze medalXLXavier LeleuFranceIMO1989OrangeData scientist certification 📚Indexed profileXRXavier Ros OtónSpainIMO2006ICREA - Institució Catalana de Recerca i Estudis AvançatsICREA Research ProfessorIndexed profileXSXavier SorianoEcuadorIMO2009 · 2010Competition recordHonourable mentionXGXia GaoChinaIMO1987Competition recordBronze medalXWXianbang WangChinaIMO2024Competition recordGold medalIndexed profileXZXianghui ZhongGermanyIMO2012VodafoneData Scientist - Operations ResearchIndexed profileX(Xiangyue (Laura) NanAustraliaIMO2024 · 2025Competition recordGold medal · Silver medalXLXianying LiChinaIMO2004suzhou Jijesoft.Co.LtdMemberIndexed profileXZXianyi ZengChinaIMO2002Lehigh UniversityAssistant ProfessorIndexed profileXLXiaochen LuChinaIOI2015Competition recordGold medalXWXiaochuan WangChinaIOI1996Beijing Sogou Information Service Co., Ltd.Chief Executive OfficerIndexed profileXWXiaoliang WeiChinaIOI1997TuringAdviserIndexed profileX(Xiaolin (Danny) ShiCanadaIMO2008 · 2009Competition recordBronze medal · Gold medalXLXiao LiuChinaIMO2013Competition recordGold medalXCXiaolong ChengChinaIMO1999Life Edit TherapeuticsScientist II, Computational BiologyIndexed profileXCXiaolu ChaiChinaIOI1993Competition recordBronze medalXMXiao MaoChinaIOI2017Competition recordSilver medalXHXiaoming HuoChinaIMO1989Georgia Institute of TechnologyA. Russell Chandler III ProfessorIndexed profileXSXiaoming SunChinaIMO1997University of Chinese Academy of Sciences岗位教授Indexed profileXMXiaosheng MuChinaIMO2008Competition recordGold medalIndexed profileXJXiaoye JiangChinaIOI1990Dell TechnologiesVP of EngineeringIndexed profile
Wojciech NadaraPolandIMO2012University of WarsawAssistant Professor (adiunkt), Institute of InformaticsAutumn profileWojciech NadaraPolandIOI2012University of WarsawAssistant Professor (adiunkt), Institute of InformaticsAutumn profileWPWojciech PorowskiPolandIMO2011Competition recordBronze medalIndexed profileWŚWojciech ŚmietankaPolandIMO2005 · 2006QuadratureQuantitative DeveloperAutumn profileWZWojciech ZarembaPolandIMO2007OpenAIOpenAI co-founderIndexed profileWDWojcieh DerkowskiPolandIMO1985Uniwersytet WSB Merito OpoleIndexed profileWBWolfgang BurmeisterGerman Democratic RepublicIMO1967 · 1968 · 1969 · 1970 · 1971Competition recordSilver medal · Gold medalWKWolfgang KlamtGerman Democratic RepublicIMO1964 · 1965Öffentlicher DienstTechnikerIndexed profileWRWolfgang RedtenbacherAustriaIMO1972 · 1973 · 1974Competition recordBronze medalWSWolfgang SchwarzGermanyIMO1987Competition recordGold medalWSWolfgang StöcherAustriaIMO1986 · 1987 · 1988Micro-Epsilon AtensorManager Software DevelopmentIndexed profileWTWolfgang ThallerAustriaIOI1996 · 1997 · 1998 · 1999blackshark.aiLead Engineer 3D GraphicsIndexed profileWCWon Chol PakDemocratic People's Republic of KoreaIMO2014Competition recordHonourable mentionWJWong Jer RenMalaysiaIMO2020 · 2021 · 2022 · 2023 · 2024MIT Computer Science and Artificial Intelligence Laboratory (CSAIL)Undergraduate ResearcherIndexed profileWLWong LijieSingaporeIOI1996 · 1997Competition recordBronze medal · Silver medalIndexed profileWHWon Ho JeongRepublic of KoreaIMO2005Competition recordGold medalWRWonryong RyouRepublic of KoreaIOI2010MolocoMachine Learning EngineerIndexed profileWSWon Seok YooRepublic of KoreaIOI1996 · 1997 · 1998Competition recordGold medal · Bronze medal · Silver medalWKWon-Sik KimRepublic of KoreaIOI2003Competition recordGold medalWCWoojin ChoiRepublic of KoreaIMO2021 · 2022 · 2023Competition recordSilver medal · Gold medalWHWooju HamRepublic of KoreaIMO2024 · 2025Competition recordSilver medal · Gold medalWRWorrawat RungaramsinThailandIMO2022 · 2023Competition recordSilver medalWAWouter AndriessenBelgiumIMO2015Competition recordHonourable mentionWBWouter BerkelmansNetherlandsIMO2006 · 2007 · 2009AchmeaData ScientistIndexed profileWWWouter WaalewijnNetherlandsIOI1999 · 2000Competition recordBronze medalIndexed profileWZWouter ZomervruchtNetherlandsIMO2007Leiden UniversityDoctoral StudentIndexed profileWPWu Po-ChangTaiwanIMO1996Competition recordHonourable mentionWTWuttisak TrongsiriwatThailandIMO2004 · 2005Krungthai BankVice PresidentAutumn profileWSWyant S. ChanPhilippinesIMO1990 · 1991 · 1992 · 1993Marvell TechnologyAVPIndexed profileXaver GubášCzechoslovakiaIMO1983Výskumná agentúraRiaditeľ Kancelárie VA (Director of the Office)Autumn profileXCXavier CarusoFranceIMO1997Competition recordHonourable mentionIndexed profileXDXavier Díaz AustrichSpainIMO2023Competition recordHonourable mentionXFXavier Fernández-RealSpainIMO2010Competition recordBronze medalXGXavier GabaixFranceIMO1990Harvard UniversityProf. of economics and financeIndexed profileXavier GonzeBelgiumIMO1979UCLouvainFull Professor (Professeur Ordinaire)Autumn profileXGXavier GratalSpainIOI1997 · 1998Competition recordBronze medalIndexed profileXHXavier HainautBelgiumIMO1993 · 1994Competition recordHonourable mention · Bronze medalXLXavier LeleuFranceIMO1989OrangeData scientist certification 📚Indexed profileXRXavier Ros OtónSpainIMO2006ICREA - Institució Catalana de Recerca i Estudis AvançatsICREA Research ProfessorIndexed profileXSXavier SorianoEcuadorIMO2009 · 2010Competition recordHonourable mentionXGXia GaoChinaIMO1987Competition recordBronze medalXWXianbang WangChinaIMO2024Competition recordGold medalIndexed profileXZXianghui ZhongGermanyIMO2012VodafoneData Scientist - Operations ResearchIndexed profileX(Xiangyue (Laura) NanAustraliaIMO2024 · 2025Competition recordGold medal · Silver medalXLXianying LiChinaIMO2004suzhou Jijesoft.Co.LtdMemberIndexed profileXZXianyi ZengChinaIMO2002Lehigh UniversityAssistant ProfessorIndexed profileXLXiaochen LuChinaIOI2015Competition recordGold medalXWXiaochuan WangChinaIOI1996Beijing Sogou Information Service Co., Ltd.Chief Executive OfficerIndexed profileXWXiaoliang WeiChinaIOI1997TuringAdviserIndexed profileX(Xiaolin (Danny) ShiCanadaIMO2008 · 2009Competition recordBronze medal · Gold medalXLXiao LiuChinaIMO2013Competition recordGold medalXCXiaolong ChengChinaIMO1999Life Edit TherapeuticsScientist II, Computational BiologyIndexed profileXCXiaolu ChaiChinaIOI1993Competition recordBronze medalXMXiao MaoChinaIOI2017Competition recordSilver medalXHXiaoming HuoChinaIMO1989Georgia Institute of TechnologyA. Russell Chandler III ProfessorIndexed profileXSXiaoming SunChinaIMO1997University of Chinese Academy of Sciences岗位教授Indexed profileXMXiaosheng MuChinaIMO2008Competition recordGold medalIndexed profileXJXiaoye JiangChinaIOI1990Dell TechnologiesVP of EngineeringIndexed profile