All medalists.
IMO & IOI, including honourable mentions.
JSJelena SpasojevićYugoslaviaIMO1997 · 1998Competition recordBronze medal · Silver medalJAJelil AtaballyyevTurkmenistanIMO2025Competition recordHonourable mentionJBJelle BloemendaalNetherlandsIMO2021 · 2022Sligro Food GroupZomerkrachtIndexed profileJvJelle van den HooffNetherlandsIOI2008 · 2009Competition recordSilver medal · Gold medalJvJelle van der DriftNetherlandsIOI2024Competition recordBronze medalIndexed profileJCJemisson Coronel BaldeónPeruIMO2014 · 2015 · 2016FromSolversSoftware EngineerIndexed profileJLJen-Hao LiouTaiwanIMO2000ASMLProduction Team LeadIndexed profileJZJennet ZamanovaTurkmenistanIMO2021Massachusetts Institute of TechnologyUndergraduate ResearcherIndexed profileJGJennifer GardnerUnited KingdomIMO2002 · 2003Competition recordBronze medal · Silver medalJVJenni VoonUnited KingdomIMO2021Competition recordSilver medalJJJenny JohanssonSwedenIMO2009Competition recordHonourable mentionAutumn profileJTJenő TörőcsikHungaryIMO1983Competition recordBronze medalJPJens PetersenGermanyIMO1988RölfsPartner Management ConsultantsPartnerIndexed profileJRJens ReinholdGermanyIMO2009 · 2010University of MünsterPostdoctoral ResearcherIndexed profileJTJens Teigen FresvigNorwayIMO2025Competition recordHonourable mentionAutumn profileJLJens-Uwe LöbusGerman Democratic RepublicIMO1976OTH Amberg-WeidenProfessor for Innovation and EntrepreneurshipIndexed profileJZJens ZumbragelGermanyIOI1998Competition recordBronze medalJAJeonghyun AhnRepublic of KoreaIMO2017Stanford University School of MedicineUndergraduate ResearcherIndexed profile
Jeong Soo SimRepublic of KoreaIMO2007Samsung SecuritiesVPAutumn profileJJJeongwoo JiRepublic of KoreaIOI2012 · 2013Presto LabsQuantitative Developer, ResearcherIndexed profileJAJepbar AsgarovTurkmenistanIMO2016 · 2017 · 2018OdooSoftware EngineerIndexed profileJBJeppe Bjorn HallgrenDenmarkIOI2011BioLibCo-FounderIndexed profile
Jeremiasz PreissPolandIOI2022Jane StreetAutumn profileJHJeremi HyskaPolandIMO2024Competition recordSilver medalIndexed profileJBJeremy BemUnited States of AmericaIMO1993 · 1994Competition recordBronze medal · Gold medalJCJeremy Charles RickardUnited KingdomIMO1981Competition recordGold medalJJJeremy JohnsonNew ZealandIMO1992Competition recordBronze medalJKJeremy KahnUnited States of AmericaIMO1983 · 1984 · 1985 · 1986Brown UniversityProfessorIndexed profileJMJeremy Matthew Castro AlarconEl SalvadorIMO2026Competition recordHonourable mention
Jeremy PrimerUnited States of AmericaIMO1981Tilden Park Capital ManagementHead of Research & Chief Risk OfficerAutumn profile
Jeremy YipAustraliaIMO2015Akuna CapitalSenior Quantitative TraderAutumn profileJYJeremy YoungUnited KingdomIMO1998 · 1999Competition recordBronze medal · Silver medalJGJerin GuRepublic of KoreaIMO1998 · 1999Competition recordBronze medal · Silver medalJBJernej BarbičSloveniaIMO1994 · 1995Competition recordHonourable mentionIndexed profileJPJernej PolajnarYugoslaviaIMO1966University of Northern British Columbia (UNBC)Associate ProfessorIndexed profileJHJeroen HuijbenNetherlandsIMO2011 · 2012 · 2013Cloud InnovationsData AnalistIndexed profileJKJeroen KrijgsmanNetherlandsIOI2023SuperconnectorsIndexed profileJPJeroen PaasschensNetherlandsIMO1988Synopsys IncSenior Device PhysicistIndexed profileJVJeroen Van HautteBelgiumIMO2014TechWolfCo-Founder & CTOIndexed profileJWJeroen WinkelNetherlandsIMO2012 · 2013 · 2014Competition recordBronze medal · Silver medal · Gold medalJAJerome Austin TePhilippinesIOI2023 · 2024 · 2025 · 2026Competition recordBronze medal · Silver medal · Gold medalIndexed profileJAJerome Austin TePhilippinesIMO2023 · 2024 · 2025 · 2026Competition recordSilver medalIndexed profileJLJerôme LouveauxBelgiumIMO1991Université catholique de LouvainAssociate ProfessorIndexed profileJSJerome Suntay KhohaytingPhilippinesIMO1989Competition recordSilver medalJUJérôme UrhausenLuxembourgIMO2011Utrecht UniversityPHD StudentIndexed profileJWJerome WettsteinSwitzerlandIMO2013CSSAktuarIndexed profileJAJerónimo Arenas GarciaSpainIMO1994 · 1995Universidad Carlos III de MadridProfessorIndexed profile
Jerry MaoAustraliaIOI2015 · 2016 · 2017 · 2018Hudson River TradingAlgorithm DeveloperAutumn profileJZJerry ZhouCanadaIOI2026Competition recordBronze medalJZJerry Zirui LiAustraliaIOI2022 · 2023Competition recordSilver medalIndexed profileJLJerson La TorrePeruIMO2001La Victoria LabSenior Creative TechnologistIndexed profileJDJerzy DydakPolandIMO1968 · 1969Competition recordGold medal · Silver medalJGJerzy GrzybowskiPolandIMO1976 · 1977Competition recordBronze medal · Gold medalJJJerzy JurkiewiczPolandIMO1961Jagiellonian UniversityprofessorIndexed profileJMJerzy MarcinkowskiPolandIMO1983Competition recordBronze medalJOJerzy OlkowskiPolandIOI2025Competition recordSilver medalIndexed profileJTJerzy TarasiukPolandIMO1975Competition recordSilver medalIndexed profileJWJerzy WeymanPolandIMO1973University of ConnecticutProfessorIndexed profileJWJerzy WojciechowskiPolandIMO1976AGH University of KrakowWykładowcaIndexed profileJBJesper Brandt RasmussenDenmarkIMO2006Competition recordHonourable mention
Jeong Soo SimRepublic of KoreaIMO2007Samsung SecuritiesVPAutumn profileJJJeongwoo JiRepublic of KoreaIOI2012 · 2013Presto LabsQuantitative Developer, ResearcherIndexed profileJAJepbar AsgarovTurkmenistanIMO2016 · 2017 · 2018OdooSoftware EngineerIndexed profileJBJeppe Bjorn HallgrenDenmarkIOI2011BioLibCo-FounderIndexed profileJeremiasz PreissPolandIOI2022Jane StreetAutumn profileJHJeremi HyskaPolandIMO2024Competition recordSilver medalIndexed profileJBJeremy BemUnited States of AmericaIMO1993 · 1994Competition recordBronze medal · Gold medalJCJeremy Charles RickardUnited KingdomIMO1981Competition recordGold medalJJJeremy JohnsonNew ZealandIMO1992Competition recordBronze medalJKJeremy KahnUnited States of AmericaIMO1983 · 1984 · 1985 · 1986Brown UniversityProfessorIndexed profileJMJeremy Matthew Castro AlarconEl SalvadorIMO2026Competition recordHonourable mentionJeremy PrimerUnited States of AmericaIMO1981Tilden Park Capital ManagementHead of Research & Chief Risk OfficerAutumn profileJeremy YipAustraliaIMO2015Akuna CapitalSenior Quantitative TraderAutumn profileJYJeremy YoungUnited KingdomIMO1998 · 1999Competition recordBronze medal · Silver medalJGJerin GuRepublic of KoreaIMO1998 · 1999Competition recordBronze medal · Silver medalJBJernej BarbičSloveniaIMO1994 · 1995Competition recordHonourable mentionIndexed profileJPJernej PolajnarYugoslaviaIMO1966University of Northern British Columbia (UNBC)Associate ProfessorIndexed profileJHJeroen HuijbenNetherlandsIMO2011 · 2012 · 2013Cloud InnovationsData AnalistIndexed profileJKJeroen KrijgsmanNetherlandsIOI2023SuperconnectorsIndexed profileJPJeroen PaasschensNetherlandsIMO1988Synopsys IncSenior Device PhysicistIndexed profileJVJeroen Van HautteBelgiumIMO2014TechWolfCo-Founder & CTOIndexed profileJWJeroen WinkelNetherlandsIMO2012 · 2013 · 2014Competition recordBronze medal · Silver medal · Gold medalJAJerome Austin TePhilippinesIOI2023 · 2024 · 2025 · 2026Competition recordBronze medal · Silver medal · Gold medalIndexed profileJAJerome Austin TePhilippinesIMO2023 · 2024 · 2025 · 2026Competition recordSilver medalIndexed profileJLJerôme LouveauxBelgiumIMO1991Université catholique de LouvainAssociate ProfessorIndexed profileJSJerome Suntay KhohaytingPhilippinesIMO1989Competition recordSilver medalJUJérôme UrhausenLuxembourgIMO2011Utrecht UniversityPHD StudentIndexed profileJWJerome WettsteinSwitzerlandIMO2013CSSAktuarIndexed profileJAJerónimo Arenas GarciaSpainIMO1994 · 1995Universidad Carlos III de MadridProfessorIndexed profileJerry MaoAustraliaIOI2015 · 2016 · 2017 · 2018Hudson River TradingAlgorithm DeveloperAutumn profileJZJerry ZhouCanadaIOI2026Competition recordBronze medalJZJerry Zirui LiAustraliaIOI2022 · 2023Competition recordSilver medalIndexed profileJLJerson La TorrePeruIMO2001La Victoria LabSenior Creative TechnologistIndexed profileJDJerzy DydakPolandIMO1968 · 1969Competition recordGold medal · Silver medalJGJerzy GrzybowskiPolandIMO1976 · 1977Competition recordBronze medal · Gold medalJJJerzy JurkiewiczPolandIMO1961Jagiellonian UniversityprofessorIndexed profileJMJerzy MarcinkowskiPolandIMO1983Competition recordBronze medalJOJerzy OlkowskiPolandIOI2025Competition recordSilver medalIndexed profileJTJerzy TarasiukPolandIMO1975Competition recordSilver medalIndexed profileJWJerzy WeymanPolandIMO1973University of ConnecticutProfessorIndexed profileJWJerzy WojciechowskiPolandIMO1976AGH University of KrakowWykładowcaIndexed profileJBJesper Brandt RasmussenDenmarkIMO2006Competition recordHonourable mention