All medalists.
IMO & IOI, including honourable mentions.
SDSašo DžeroskiYugoslaviaIMO1985Competition recordBronze medalIndexed profileSKSatoru KawaharaiJapanIOI2017Competition recordGold medalSTSatoru TakahashiJapanIMO1993 · 1994 · 1995Competition recordSilver medal · Gold medalSHSatoshi HayakawaJapanIMO2014The University of Tokyo助教Indexed profileSKSatoshi KanoJapanIMO2023 · 2024 · 2025Competition recordSilver medal · Gold medalSMSatyaki MukherjeeIndiaIMO2010Competition recordBronze medalSKSatyen KaleIndiaIMO1997AppleResearch ScientistIndexed profileSESaúl Ernesto Noguera EstradaMexicoIOI2025Competition recordBronze medalSGSaúl Germán Gutiérrez CalderónMexicoIOI2011 · 2012 · 2013UberSoftware EngineerIndexed profile
Saul GlasmanUnited KingdomIMO2005 · 2006Travel Syndication Technology (TST)Software EngineerAutumn profileSDSava DelevBulgariaIOI2026Competition recordSilver medalSKSava KrstićYugoslaviaIMO1974Intel CorporationIndexed profileSTSaverio TrioniItalyIMO1995Competition recordBronze medalSKSavinien KreczmanBelgiumIMO2015 · 2016 · 2017Competition recordHonourable mention · Bronze medal · Silver medalSYSaw YihuiMalaysiaIMO2007 · 2008MetaSoftware EngineerIndexed profileSASazid Akhter TurzoBangladeshIMO2014 · 2015 · 2016Competition recordHonourable mention · Bronze medalIndexed profileSWScott WuUnited States of AmericaIOI2012 · 2013 · 2014CognitionCo-Founder and CEOIndexed profileSDSead DelalićBosnia and HerzegovinaIMO2012Olden LabsChief Information OfficerIndexed profileSASean Anderson TyPhilippinesIMO2017 · 2018 · 2019Competition recordBronze medal · Honourable mention · Silver medal
Sean Gee ZhingMalaysiaIMO2016 · 2017 · 2018Optiver (2022 internship)Autumn profileSHSeán HallisseyIrelandIMO2023NoneIndexed profileSMSean MossUnited KingdomIMO2009Competition recordBronze medalSMSean MurphyIrelandIMO2000Competition recordHonourable mentionSWSean WanitchollakitThailandIOI2024 · 2025Competition recordSilver medalSWSean WentzelSouth AfricaIMO2009 · 2010 · 2011Competition recordHonourable mention · Bronze medal · Silver medalSWSean WentzelSouth AfricaIOI2010 · 2012Competition recordBronze medalSOSebastiaan OverdijkNetherlandsIOI1996itemedicalSoftware-engineerIndexed profileSASebastian Aguilar PinedaCosta RicaIMO2024 · 2025Competition recordBronze medal · Honourable mentionSCSebastian ChaseHong KongIMO2023 · 2024 · 2026Competition recordBronze medal · Silver medalSDSebastian DumitrescuFinlandIMO2005 · 2006 · 2007Competition recordBronze medal · Silver medalIndexed profileSFSebastian FodorSwedenIMO2018Jane StreetQuantitative TraderAutumn profileSHSebastian Henning Grønkjær PedersenDenmarkIMO2012Competition recordHonourable mention
Sebastian JeonCanadaIMO2019Hudson River TradingAlgo DeveloperAutumn profileSJSebastian JiménezColombiaIMO2011Competition recordHonourable mentionSJSebastian Jose Portalatin CortesPuerto RicoIMO2018VerkadaSoftware EngineerIndexed profileSLSebastian LozadaPeruIMO2023 · 2024 · 2025Competition recordBronze medal · Silver medal · Gold medalSMSebastian Meineche FalkDenmarkIOI2024Competition recordBronze medalSMSebastian MeyerGermanyIMO2015 · 2016 · 2017Competition recordBronze medal · Silver medal · Honourable mentionSMSebastian Mihai ȘimonRomaniaIMO2019 · 2020ContinentalOperational SpecialistIndexed profileSMSebastián Misael Cano SanabriaParaguayIMO2020 · 2021Language and InnovationsTeacher of MathematicsIndexed profileSMSebastián Montemayor TrujilloMexicoIMO2026Competition recordBronze medalIndexed profileSPSebastian PavezChileIMO2013Competition recordHonourable mentionSPSebastián PrilloArgentinaIMO2010ASAPPIndexed profileSRSebastian RegaladoEcuadorIMO2017Competition recordBronze medalSRSebastián RegaladoEcuadorIMO2016Competition recordHonourable mentionSSSebastian Sánchez LaraMexicoIOI2019MicrosoftIngeniero de softwareIndexed profileSZSebastian ZuñigaChileIMO2008Competition recordHonourable mentionSASebastien AilleretFranceIMO1994ECHODIAGérantIndexed profileSLSebastien LeroyBelgiumIMO1995Competition recordHonourable mentionSMSébastien MiquelFranceIMO2009Competition recordHonourable mention
Sebin KimRepublic of KoreaIOI2018 · 2019Republic of Korea Air ForceMilitary ServiceAutumn profileSGSedat GökalpTürkiyeIOI2001 · 2002AmazonApplied Science ManagerIndexed profileSLSefi LadkaniIsraelIMO1990Competition recordBronze medalSBSegher BoessenkoolNetherlandsIMO1991GCCGCC maintainerIndexed profileSMSeginus MowlaviFranceIMO2011 · 2012 · 2013ENS Paris-SaclayPostdoctoral ResearcherIndexed profileSHSe Hee ParkRepublic of KoreaIOI1994 · 1995Competition recordBronze medal · Silver medalSKSehun KimRepublic of KoreaIMO2015 · 2016 · 2017Competition recordSilver medal · Gold medalIndexed profileSPSehyuk ParkRepublic of KoreaIOI1996 · 1998MolocoCo-founder & Chief Information OfficerAutumn profileSHSe Hyun JiRepublic of KoreaIMO2013Competition recordGold medalIndexed profileSISe Ik JoRepublic of KoreaIMO2004Competition recordBronze medal
Saul GlasmanUnited KingdomIMO2005 · 2006Travel Syndication Technology (TST)Software EngineerAutumn profileSDSava DelevBulgariaIOI2026Competition recordSilver medalSKSava KrstićYugoslaviaIMO1974Intel CorporationIndexed profileSTSaverio TrioniItalyIMO1995Competition recordBronze medalSKSavinien KreczmanBelgiumIMO2015 · 2016 · 2017Competition recordHonourable mention · Bronze medal · Silver medalSYSaw YihuiMalaysiaIMO2007 · 2008MetaSoftware EngineerIndexed profileSASazid Akhter TurzoBangladeshIMO2014 · 2015 · 2016Competition recordHonourable mention · Bronze medalIndexed profileSWScott WuUnited States of AmericaIOI2012 · 2013 · 2014CognitionCo-Founder and CEOIndexed profileSDSead DelalićBosnia and HerzegovinaIMO2012Olden LabsChief Information OfficerIndexed profileSASean Anderson TyPhilippinesIMO2017 · 2018 · 2019Competition recordBronze medal · Honourable mention · Silver medalSean Gee ZhingMalaysiaIMO2016 · 2017 · 2018Optiver (2022 internship)Autumn profileSHSeán HallisseyIrelandIMO2023NoneIndexed profileSMSean MossUnited KingdomIMO2009Competition recordBronze medalSMSean MurphyIrelandIMO2000Competition recordHonourable mentionSWSean WanitchollakitThailandIOI2024 · 2025Competition recordSilver medalSWSean WentzelSouth AfricaIMO2009 · 2010 · 2011Competition recordHonourable mention · Bronze medal · Silver medalSWSean WentzelSouth AfricaIOI2010 · 2012Competition recordBronze medalSOSebastiaan OverdijkNetherlandsIOI1996itemedicalSoftware-engineerIndexed profileSASebastian Aguilar PinedaCosta RicaIMO2024 · 2025Competition recordBronze medal · Honourable mentionSCSebastian ChaseHong KongIMO2023 · 2024 · 2026Competition recordBronze medal · Silver medalSDSebastian DumitrescuFinlandIMO2005 · 2006 · 2007Competition recordBronze medal · Silver medalIndexed profileSFSebastian FodorSwedenIMO2018Jane StreetQuantitative TraderAutumn profileSHSebastian Henning Grønkjær PedersenDenmarkIMO2012Competition recordHonourable mentionSebastian JeonCanadaIMO2019Hudson River TradingAlgo DeveloperAutumn profileSJSebastian JiménezColombiaIMO2011Competition recordHonourable mentionSJSebastian Jose Portalatin CortesPuerto RicoIMO2018VerkadaSoftware EngineerIndexed profileSLSebastian LozadaPeruIMO2023 · 2024 · 2025Competition recordBronze medal · Silver medal · Gold medalSMSebastian Meineche FalkDenmarkIOI2024Competition recordBronze medalSMSebastian MeyerGermanyIMO2015 · 2016 · 2017Competition recordBronze medal · Silver medal · Honourable mentionSMSebastian Mihai ȘimonRomaniaIMO2019 · 2020ContinentalOperational SpecialistIndexed profileSMSebastián Misael Cano SanabriaParaguayIMO2020 · 2021Language and InnovationsTeacher of MathematicsIndexed profileSMSebastián Montemayor TrujilloMexicoIMO2026Competition recordBronze medalIndexed profileSPSebastian PavezChileIMO2013Competition recordHonourable mentionSPSebastián PrilloArgentinaIMO2010ASAPPIndexed profileSRSebastian RegaladoEcuadorIMO2017Competition recordBronze medalSRSebastián RegaladoEcuadorIMO2016Competition recordHonourable mentionSSSebastian Sánchez LaraMexicoIOI2019MicrosoftIngeniero de softwareIndexed profileSZSebastian ZuñigaChileIMO2008Competition recordHonourable mentionSASebastien AilleretFranceIMO1994ECHODIAGérantIndexed profileSLSebastien LeroyBelgiumIMO1995Competition recordHonourable mentionSMSébastien MiquelFranceIMO2009Competition recordHonourable mentionSebin KimRepublic of KoreaIOI2018 · 2019Republic of Korea Air ForceMilitary ServiceAutumn profileSGSedat GökalpTürkiyeIOI2001 · 2002AmazonApplied Science ManagerIndexed profileSLSefi LadkaniIsraelIMO1990Competition recordBronze medalSBSegher BoessenkoolNetherlandsIMO1991GCCGCC maintainerIndexed profileSMSeginus MowlaviFranceIMO2011 · 2012 · 2013ENS Paris-SaclayPostdoctoral ResearcherIndexed profileSHSe Hee ParkRepublic of KoreaIOI1994 · 1995Competition recordBronze medal · Silver medalSKSehun KimRepublic of KoreaIMO2015 · 2016 · 2017Competition recordSilver medal · Gold medalIndexed profileSPSehyuk ParkRepublic of KoreaIOI1996 · 1998MolocoCo-founder & Chief Information OfficerAutumn profileSHSe Hyun JiRepublic of KoreaIMO2013Competition recordGold medalIndexed profileSISe Ik JoRepublic of KoreaIMO2004Competition recordBronze medal