All medalists.
IMO & IOI, including honourable mentions.
YCYebum ChoiSwedenIMO2026Competition recordHonourable mentionYFYee Fun LimSingaporeIMO1996 · 1997 · 1998A*STAR Institute of Sustainability for Chemicals, Energy & Environment (ISCE2)Senior Scientist IIndexed profileYKYee Ka TaiHong KongIMO2008Essence Brilliant LimitedDirectorIndexed profileYAYeganeh Ali MohammadiIslamic Republic of IranIMO2014Competition recordBronze medalIndexed profileYKYegor KlochkovKazakhstanIMO2008 · 2009The Voleon GroupSenior Member of Research StaffAutumn profile
Yehezkiel Raymundo TheodoroesIndonesiaIOI2017GoogleSoftware EngineerAutumn profileYRYehonatan RozensheinIsraelIOI2004 · 2005Competition recordBronze medal · Silver medalYYYehonatan YedidiaIsraelIMO2002 · 2003 · 2004Competition recordBronze medalIndexed profile
Ye LuoChinaIMO2005TD SecuritiesRates QuantAutumn profileYHYen Hoang NguyenVietnamIOI2011Competition recordBronze medalIndexed profileYWYen-Jen WangTaiwanIOI2017Berkeley Artificial Intelligence ResearchPh.D. StudentIndexed profile
Yen-Shi WangTaiwanIMO2013NVIDIASenior Deep Learning Software EngineerAutumn profileYZYeoh Zi SongMalaysiaIMO2014 · 2015 · 2016 · 2017 · 2018 · 2019 · 2020Competition recordBronze medal · Honourable mention · Silver medal · Gold medalIndexed profileYYYeo-Il YoonRepublic of KoreaIMO2003Korea Institute of Energy ResearchPrincipal ResearcherIndexed profileYDYeong Dae KwonRepublic of KoreaIMO2002Samsung SDS AmericaVP | Head of Research AmericaIndexed profileYAYerassyl AltynbekKazakhstanIMO2025 · 2026Competition recordBronze medalYKYerkanat KengshilikKazakhstanIMO2025Competition recordBronze medalYBYerlan BissenovKazakhstanIOI2005 · 2006"Center for Pedagogical Measurements" under the AEO "Nazarbayev Intellectual schools"Head of Software EngineeringIndexed profileYJYerlan JumabayevKazakhstanIMO1997Spark Co.Full Stack DeveloperIndexed profileYNYerniyaz NurgabylovKazakhstanIMO2012 · 2013TzafonTechnical StaffIndexed profileYIYerzhan ImanmalikKazakhstanIMO2013 · 2014EPAM SystemsSenior Data ScientistIndexed profileYKYeskendir KassenovKazakhstanIMO2008The Trade DeskStaff Software EngineerIndexed profileYAYevgen AnisimovUkraineIOI2009ProFIX GroupDeputy Head of DepartmentIndexed profileYPYevgeni PoroshenkoKazakhstanIMO1992Competition recordHonourable mentionYYYevgeni YakovlevKazakhstanIMO1992Competition recordBronze medalYMYevgen MalyshevUkraineIOI2000OracleSenior Software EngineerIndexed profileYVYevgen VasylivUkraineIOI2010 · 2011GoogleSoftware EngineerIndexed profileYYYevgen YatsenkoUkraineIOI2000WildecCEOIndexed profileYFYevheniia FrankevychUkraineIMO2023Competition recordBronze medalIndexed profileYWYe WangUnited States of AmericaIOI2007Competition recordSilver medalYFYiannis FamNew ZealandIMO2016 · 2017Competition recordBronze medalYXYian XuSouth AfricaIMO2023 · 2024 · 2025Competition recordHonourable mention · Bronze medalIndexed profileYWYi-Chan WuTaiwanIMO2009 · 2010MediaTekTechnical ManagerIndexed profileYZYichao ZhouChinaIOI2011AppleResearch ScientistIndexed profileYCYi ChenTaiwanIOI2004Competition recordBronze medalAutumn profileYCYi-Chih ChiuTaiwanIMO1995AdvantechData ScientistIndexed profileYCYi ChouTaiwanIOI2014 · 2015CompalAI ScientistIndexed profileYWYichuan WangChinaIMO2021Competition recordGold medalYCYi-Chun ChiuTaiwanIOI2023Competition recordSilver medalIndexed profileYZYifei ZhangChinaIOI2000 · 2002Competition recordGold medalYFYi Fung LuHong Kong, ChinaIOI2023 · 2025Competition recordSilver medalIndexed profileYYYiğit YargıçTürkiyeIMO2011University of CalgaryPostdoctoral ResearcherIndexed profileYGYiHan GaoChinaIOI2009Competition recordGold medalIndexed profileYYYihan YangSingaporeIMO2024 · 2025 · 2026Competition recordGold medalYKYi-hao KaoTaiwanIOI2001Competition recordSilver medalIndexed profile
Yi-Hao KaoTaiwanIMO2002Tongdeng Asset ManagementPortfolio ManagerAutumn profileYCYi-Hsiang ChiaoTaiwanIMO2021 · 2022Competition recordBronze medal · Silver medalYKYi-Huak KohSingaporeIMO1995Competition recordHonourable mentionYLYijia LiuSingaporeIMO2013 · 2014 · 2015Duke UniversityPRUV 2021 (Duke University research program)Autumn profileYWYijin WangChinaIOI1996UNIQ MOBmanagerIndexed profileYYYijun YaoChinaIMO1995Fudan UniversityProfessorIndexed profileYXYikang XiaoChinaIMO2010Competition recordGold medalIndexed profile
Yik Chun WongHong Kong, ChinaIOI2016 · 2017Citadel SecuritiesSoftware EngineerAutumn profile
Yikuan LiCanadaIOI2014 · 2015 · 2016Competition recordBronze medal · Silver medal · Gold medalAutumn profileYKYilmaz KoçerTürkiyeIMO1996Competition recordBronze medalIndexed profileYLYi LouSouth AfricaIMO2021Competition recordBronze medalYGYimin GeAustriaIMO2006 · 2007 · 2008d-fineManagerIndexed profileYHYing Hong ThamMalaysiaIOI2013HuaweiSenior Researcher Reliable Generative AI for Intelligent Agent SafetyIndexed profileYCYing-Hung ChiangTaiwanIOI1998Competition recordBronze medalYNYi NiChinaIMO1997Competition recordGold medal
Yehezkiel Raymundo TheodoroesIndonesiaIOI2017GoogleSoftware EngineerAutumn profileYRYehonatan RozensheinIsraelIOI2004 · 2005Competition recordBronze medal · Silver medalYYYehonatan YedidiaIsraelIMO2002 · 2003 · 2004Competition recordBronze medalIndexed profileYe LuoChinaIMO2005TD SecuritiesRates QuantAutumn profileYHYen Hoang NguyenVietnamIOI2011Competition recordBronze medalIndexed profileYWYen-Jen WangTaiwanIOI2017Berkeley Artificial Intelligence ResearchPh.D. StudentIndexed profileYen-Shi WangTaiwanIMO2013NVIDIASenior Deep Learning Software EngineerAutumn profileYZYeoh Zi SongMalaysiaIMO2014 · 2015 · 2016 · 2017 · 2018 · 2019 · 2020Competition recordBronze medal · Honourable mention · Silver medal · Gold medalIndexed profileYYYeo-Il YoonRepublic of KoreaIMO2003Korea Institute of Energy ResearchPrincipal ResearcherIndexed profileYDYeong Dae KwonRepublic of KoreaIMO2002Samsung SDS AmericaVP | Head of Research AmericaIndexed profileYAYerassyl AltynbekKazakhstanIMO2025 · 2026Competition recordBronze medalYKYerkanat KengshilikKazakhstanIMO2025Competition recordBronze medalYBYerlan BissenovKazakhstanIOI2005 · 2006"Center for Pedagogical Measurements" under the AEO "Nazarbayev Intellectual schools"Head of Software EngineeringIndexed profileYJYerlan JumabayevKazakhstanIMO1997Spark Co.Full Stack DeveloperIndexed profileYNYerniyaz NurgabylovKazakhstanIMO2012 · 2013TzafonTechnical StaffIndexed profileYIYerzhan ImanmalikKazakhstanIMO2013 · 2014EPAM SystemsSenior Data ScientistIndexed profileYKYeskendir KassenovKazakhstanIMO2008The Trade DeskStaff Software EngineerIndexed profileYAYevgen AnisimovUkraineIOI2009ProFIX GroupDeputy Head of DepartmentIndexed profileYPYevgeni PoroshenkoKazakhstanIMO1992Competition recordHonourable mentionYYYevgeni YakovlevKazakhstanIMO1992Competition recordBronze medalYMYevgen MalyshevUkraineIOI2000OracleSenior Software EngineerIndexed profileYVYevgen VasylivUkraineIOI2010 · 2011GoogleSoftware EngineerIndexed profileYYYevgen YatsenkoUkraineIOI2000WildecCEOIndexed profileYFYevheniia FrankevychUkraineIMO2023Competition recordBronze medalIndexed profileYWYe WangUnited States of AmericaIOI2007Competition recordSilver medalYFYiannis FamNew ZealandIMO2016 · 2017Competition recordBronze medalYXYian XuSouth AfricaIMO2023 · 2024 · 2025Competition recordHonourable mention · Bronze medalIndexed profileYWYi-Chan WuTaiwanIMO2009 · 2010MediaTekTechnical ManagerIndexed profileYZYichao ZhouChinaIOI2011AppleResearch ScientistIndexed profileYCYi ChenTaiwanIOI2004Competition recordBronze medalAutumn profileYCYi-Chih ChiuTaiwanIMO1995AdvantechData ScientistIndexed profileYCYi ChouTaiwanIOI2014 · 2015CompalAI ScientistIndexed profileYWYichuan WangChinaIMO2021Competition recordGold medalYCYi-Chun ChiuTaiwanIOI2023Competition recordSilver medalIndexed profileYZYifei ZhangChinaIOI2000 · 2002Competition recordGold medalYFYi Fung LuHong Kong, ChinaIOI2023 · 2025Competition recordSilver medalIndexed profileYYYiğit YargıçTürkiyeIMO2011University of CalgaryPostdoctoral ResearcherIndexed profileYGYiHan GaoChinaIOI2009Competition recordGold medalIndexed profileYYYihan YangSingaporeIMO2024 · 2025 · 2026Competition recordGold medalYKYi-hao KaoTaiwanIOI2001Competition recordSilver medalIndexed profileYi-Hao KaoTaiwanIMO2002Tongdeng Asset ManagementPortfolio ManagerAutumn profileYCYi-Hsiang ChiaoTaiwanIMO2021 · 2022Competition recordBronze medal · Silver medalYKYi-Huak KohSingaporeIMO1995Competition recordHonourable mentionYLYijia LiuSingaporeIMO2013 · 2014 · 2015Duke UniversityPRUV 2021 (Duke University research program)Autumn profileYWYijin WangChinaIOI1996UNIQ MOBmanagerIndexed profileYYYijun YaoChinaIMO1995Fudan UniversityProfessorIndexed profileYXYikang XiaoChinaIMO2010Competition recordGold medalIndexed profileYik Chun WongHong Kong, ChinaIOI2016 · 2017Citadel SecuritiesSoftware EngineerAutumn profileYikuan LiCanadaIOI2014 · 2015 · 2016Competition recordBronze medal · Silver medal · Gold medalAutumn profileYKYilmaz KoçerTürkiyeIMO1996Competition recordBronze medalIndexed profileYLYi LouSouth AfricaIMO2021Competition recordBronze medalYGYimin GeAustriaIMO2006 · 2007 · 2008d-fineManagerIndexed profileYHYing Hong ThamMalaysiaIOI2013HuaweiSenior Researcher Reliable Generative AI for Intelligent Agent SafetyIndexed profileYCYing-Hung ChiangTaiwanIOI1998Competition recordBronze medalYNYi NiChinaIMO1997Competition recordGold medal