All medalists.
IMO & IOI, including honourable mentions.
SGSandaruwan GunathilakeSri LankaIOI2004 · 2006Medical JoyworksCo-FounderIndexed profileSLSander LandNetherlandsIOI2003 · 2004WRITERAI ResearcherIndexed profile
Sander ParawiraIndonesiaIMO2005MakmurFounder & CEOAutumn profileSvSander van NoortNetherlandsIMO1997Competition recordHonourable mentionSOSandor OrtegónColombiaIMO1995Politécnico GrancolombianoFacultyIndexed profileSVSándor VeresHungaryIMO1973Competition recordBronze medalSSSandra SchumannEstoniaIMO2012 · 2013Competition recordHonourable mention · Bronze medalIndexed profileSZSandro ZhgentiGeorgiaIMO2025 · 2026Competition recordHonourable mention · Gold medalSESanduijav EnkhbayarMongoliaIMO1994Competition recordHonourable mentionIndexed profileSVSandun Viraj Wimalaguna KodituwaSri LankaIMO2002Competition recordHonourable mentionSKSandy Kristian WaluyoIndonesiaIMO2022Avetics GlobalAndroid DeveloperIndexed profileSMSanefumi MoriyamaJapanIMO1992Competition recordBronze medalIndexed profileSCSang Chol RyuDemocratic People's Republic of KoreaIMO1990Competition recordSilver medalSHSang Hoon LeeRepublic of KoreaIMO2009 · 2010Competition recordGold medalSPSanghoon ParkRepublic of KoreaIOI2022 · 2023Competition recordSilver medal · Gold medal
Sanghun SongRepublic of KoreaIMO2010끌림벤처스 Klim VenturesProduct OwnerAutumn profileSKSang-Hyun KimRepublic of KoreaIMO1993Competition recordSilver medalSRSang Ryong PakDemocratic People's Republic of KoreaIMO1990Competition recordBronze medalSKSangyoun KoRepublic of KoreaIMO2019 · 2020Competition recordGold medalSHSan Ha LeeRepublic of KoreaIMO2014Competition recordSilver medalSKSanjaakhuu KhenziiMongoliaIMO2016 · 2017 · 2018Competition recordHonourable mention · Bronze medalIndexed profileSPSanjana Philo ChackoIndiaIMO2026Competition recordSilver medalSHSanjar HojanyyazovTurkmenistanIMO2026Competition recordHonourable mentionSRSanjar RashidovTajikistanIMO2026Competition recordHonourable mentionSSSanja SimonovikjNorth MacedoniaIMO2016IndeedStaff Data ScientistIndexed profileSASanjeev Amrit MahadeoTrinidad and TobagoIMO2016 · 2017 · 2018Competition recordHonourable mentionSTSanteri ToivonenFinlandIOI2019Competition recordBronze medalSCSantiago CuéllarColombiaIMO2006 · 2007 · 2008Competition recordHonourable mention · Silver medalIndexed profileSdSantiago de la Torre ZamudioMexicoIOI2024 · 2025Competition recordHonourable mention · Bronze medalSGSantiago GómezColombiaIMO2014Competition recordHonourable mentionSGSantiago Guaneme QuinteroColombiaIOI2025 · 2026Competition recordBronze medalSLSantiago LaplagneArgentinaIMO1995University of Buenos AiresProfesor adjuntoIndexed profileSRSantiago RodríguezColombiaIMO2019 · 2020Competition recordBronze medalSSSantiago Saavedra PinedaColombiaIMO2002 · 2003 · 2004Competition recordHonourable mention · Bronze medalSVSantiago Vázquez SáezSpainIMO2018Competition recordBronze medalIndexed profileSVSantiago Vila DoncelSpainIMO1987Competition recordBronze medalSBSantithorn BunchuaThailandIOI1991Playpark Company LimitedChief Technology OfficerIndexed profile
Sanzhar BidaibekKazakhstanIOI2016 · 2017 · 2018Jane StreetQuantitative DeveloperAutumn profileSOSanzhar OrazbayevKazakhstanIMO2008 · 2009Competition recordBronze medalIndexed profileSCSapar CharyyevTurkmenistanIMO2016University of Applied Sciences and Arts Northwestern Switzerland FHNWComputer Vision Research EngineerIndexed profileSKSara KropfAustriaIMO2006Key ConceptSenior Software DeveloperIndexed profileSMSara MuhvićCroatiaIMO2008Morgan StanleyStrategistIndexed profile
Saran AhujaThailandIMO2003 · 2004 · 2005ABACUS digitalChief Data ScientistAutumn profileSBSarasvati BahadursinghTrinidad and TobagoIMO2003Competition recordHonourable mentionIndexed profileSBSardor BazarbaevUzbekistanIMO2015KHISOГенеральный директорIndexed profileSGSardor GafforovUzbekistanIMO2011Competition recordHonourable mentionIndexed profileSRSarge RogatchBelarusIOI2002 · 2003Algorithmization Sp. z o.o.DirectorIndexed profileSASargis ArakelyanArmeniaIMO2025 · 2026Competition recordBronze medalSGSargis GevorgyanArmeniaIOI2003RenderforestiOS Senior DeveloperIndexed profileSRSaria RamadanSyriaIMO2022 · 2023Competition recordHonourable mention · Bronze medalSBSarita BunsuphaThailandIMO2006Faculty of Economics, Thammasat UniversityLecturerIndexed profile
Sarji Elijah BonaPhilippinesIMO2020 · 2021 · 2022Timely AI (stealth, AI4MATH)Founding Member of Technical StaffAutumn profileSBSarkhan BadirliAzerbaijanIMO2008Glacies BiomeCo-FounderIndexed profile
Saro PassaroItalyIMO2018 · 2019BoltzCo-FounderAutumn profileSPSarun PaisarnsrisomsukThailandIOI2010Competition recordBronze medalSTSarunyu ThongjarastThailandIMO2021 · 2022Competition recordBronze medal · Gold medalIndexed profileSSSaša StankoCroatiaIMO2007MireoSoftware EngineerIndexed profileSSSaša StublićCroatiaIOI1993 · 1994DreamVisFounder, CEOIndexed profileSBSasha BiryukovLuxembourgIMO2021Competition recordHonourable mentionSSSasha SchwartzUnited States of AmericaIMO1998Competition recordGold medal
Sander ParawiraIndonesiaIMO2005MakmurFounder & CEOAutumn profileSvSander van NoortNetherlandsIMO1997Competition recordHonourable mentionSOSandor OrtegónColombiaIMO1995Politécnico GrancolombianoFacultyIndexed profileSVSándor VeresHungaryIMO1973Competition recordBronze medalSSSandra SchumannEstoniaIMO2012 · 2013Competition recordHonourable mention · Bronze medalIndexed profileSZSandro ZhgentiGeorgiaIMO2025 · 2026Competition recordHonourable mention · Gold medalSESanduijav EnkhbayarMongoliaIMO1994Competition recordHonourable mentionIndexed profileSVSandun Viraj Wimalaguna KodituwaSri LankaIMO2002Competition recordHonourable mentionSKSandy Kristian WaluyoIndonesiaIMO2022Avetics GlobalAndroid DeveloperIndexed profileSMSanefumi MoriyamaJapanIMO1992Competition recordBronze medalIndexed profileSCSang Chol RyuDemocratic People's Republic of KoreaIMO1990Competition recordSilver medalSHSang Hoon LeeRepublic of KoreaIMO2009 · 2010Competition recordGold medalSPSanghoon ParkRepublic of KoreaIOI2022 · 2023Competition recordSilver medal · Gold medalSanghun SongRepublic of KoreaIMO2010끌림벤처스 Klim VenturesProduct OwnerAutumn profileSKSang-Hyun KimRepublic of KoreaIMO1993Competition recordSilver medalSRSang Ryong PakDemocratic People's Republic of KoreaIMO1990Competition recordBronze medalSKSangyoun KoRepublic of KoreaIMO2019 · 2020Competition recordGold medalSHSan Ha LeeRepublic of KoreaIMO2014Competition recordSilver medalSKSanjaakhuu KhenziiMongoliaIMO2016 · 2017 · 2018Competition recordHonourable mention · Bronze medalIndexed profileSPSanjana Philo ChackoIndiaIMO2026Competition recordSilver medalSHSanjar HojanyyazovTurkmenistanIMO2026Competition recordHonourable mentionSRSanjar RashidovTajikistanIMO2026Competition recordHonourable mentionSSSanja SimonovikjNorth MacedoniaIMO2016IndeedStaff Data ScientistIndexed profileSASanjeev Amrit MahadeoTrinidad and TobagoIMO2016 · 2017 · 2018Competition recordHonourable mentionSTSanteri ToivonenFinlandIOI2019Competition recordBronze medalSCSantiago CuéllarColombiaIMO2006 · 2007 · 2008Competition recordHonourable mention · Silver medalIndexed profileSdSantiago de la Torre ZamudioMexicoIOI2024 · 2025Competition recordHonourable mention · Bronze medalSGSantiago GómezColombiaIMO2014Competition recordHonourable mentionSGSantiago Guaneme QuinteroColombiaIOI2025 · 2026Competition recordBronze medalSLSantiago LaplagneArgentinaIMO1995University of Buenos AiresProfesor adjuntoIndexed profileSRSantiago RodríguezColombiaIMO2019 · 2020Competition recordBronze medalSSSantiago Saavedra PinedaColombiaIMO2002 · 2003 · 2004Competition recordHonourable mention · Bronze medalSVSantiago Vázquez SáezSpainIMO2018Competition recordBronze medalIndexed profileSVSantiago Vila DoncelSpainIMO1987Competition recordBronze medalSBSantithorn BunchuaThailandIOI1991Playpark Company LimitedChief Technology OfficerIndexed profileSanzhar BidaibekKazakhstanIOI2016 · 2017 · 2018Jane StreetQuantitative DeveloperAutumn profileSOSanzhar OrazbayevKazakhstanIMO2008 · 2009Competition recordBronze medalIndexed profileSCSapar CharyyevTurkmenistanIMO2016University of Applied Sciences and Arts Northwestern Switzerland FHNWComputer Vision Research EngineerIndexed profileSKSara KropfAustriaIMO2006Key ConceptSenior Software DeveloperIndexed profileSMSara MuhvićCroatiaIMO2008Morgan StanleyStrategistIndexed profileSaran AhujaThailandIMO2003 · 2004 · 2005ABACUS digitalChief Data ScientistAutumn profileSBSarasvati BahadursinghTrinidad and TobagoIMO2003Competition recordHonourable mentionIndexed profileSBSardor BazarbaevUzbekistanIMO2015KHISOГенеральный директорIndexed profileSGSardor GafforovUzbekistanIMO2011Competition recordHonourable mentionIndexed profileSRSarge RogatchBelarusIOI2002 · 2003Algorithmization Sp. z o.o.DirectorIndexed profileSASargis ArakelyanArmeniaIMO2025 · 2026Competition recordBronze medalSGSargis GevorgyanArmeniaIOI2003RenderforestiOS Senior DeveloperIndexed profileSRSaria RamadanSyriaIMO2022 · 2023Competition recordHonourable mention · Bronze medalSBSarita BunsuphaThailandIMO2006Faculty of Economics, Thammasat UniversityLecturerIndexed profileSarji Elijah BonaPhilippinesIMO2020 · 2021 · 2022Timely AI (stealth, AI4MATH)Founding Member of Technical StaffAutumn profileSBSarkhan BadirliAzerbaijanIMO2008Glacies BiomeCo-FounderIndexed profileSaro PassaroItalyIMO2018 · 2019BoltzCo-FounderAutumn profileSPSarun PaisarnsrisomsukThailandIOI2010Competition recordBronze medalSTSarunyu ThongjarastThailandIMO2021 · 2022Competition recordBronze medal · Gold medalIndexed profileSSSaša StankoCroatiaIMO2007MireoSoftware EngineerIndexed profileSSSaša StublićCroatiaIOI1993 · 1994DreamVisFounder, CEOIndexed profileSBSasha BiryukovLuxembourgIMO2021Competition recordHonourable mentionSSSasha SchwartzUnited States of AmericaIMO1998Competition recordGold medal