All medalists.
IMO & IOI, including honourable mentions.
SASpyridon AlivizatosGreeceIOI2025 · 2026Competition recordBronze medalSASpyridon AntonakopoulosGreeceIMO1997 · 1999NokiaMember of Technical StaffIndexed profileSGSpyridon GalanopoulosGreeceIMO2019SAFARI Research GroupResearch InternIndexed profileSKSpyridon KakaroumpasGreeceIMO2011The Julius Maximilians University of WürzburgPostdoctoral ResearcherIndexed profileSMSpyridon MichalakisGreeceIMO1997Competition recordHonourable mentionSPSpyros PapadimitriouGreeceIOI1993Competition recordBronze medalSMSridevi MaharajTrinidad and TobagoIMO2007YouTubeSoftware EngineerIndexed profile
Srijon MukherjeeIndiaIOI2016 · 2017The D. E. Shaw GroupQuantitative ResearcherAutumn profileSBSrivatsan BalakrishnanIndiaIOI2007 · 2008Vola DynamicsQuantitative ResearcherIndexed profileSTStacey TianNew ZealandIMO2017Competition recordHonourable mentionSWStacey Wing Chee LawAustraliaIMO2009 · 2010AHL Legal (Austin Haworth & Lexon Legal)SolicitorIndexed profileSEStacia Edina JohannaIndonesiaIOI2016Competition recordBronze medalIndexed profileSSStanislas SochackiFranceIMO2007Competition recordBronze medalSAStanislau ArkhipauBelarusIMO2003 · 2004Competition recordBronze medal · Silver medalIndexed profileSDStanislau DamasevichBelarusIOI2021Competition recordSilver medalSHStanislau HalauniouBelarusIMO2002BrainRocketSenior Product OwnerIndexed profileSSStanislau ShapavalauBelarusIMO2007Competition recordBronze medalSTStanislau TsitsianokBelarusIOI2018GoogleИнженер-программистIndexed profile
Stanislav ChobanovBulgariaIMO2014EGT DigitalData Science Team LeadAutumn profileSEStanislav ErokhinRussian FederationIMO2010Sberbank-TechnologyIT Business PartnerIndexed profileSFStanislav FuniakSlovakiaIOI1997 · 1998Competition recordSilver medal · Gold medalIndexed profileSJStanislav JordanovBulgariaIMO1994Competition recordGold medalSKStanislav KrajčiCzechoslovakiaIMO1988UPJŠassoc. prof.Indexed profileSKStanislav KrymskiiRussian FederationIMO2018IMSP RASPhD studentIndexed profileSMStanislav MikešCzech RepublicIOI1996Competition recordBronze medalSNStanislav NaumovRussiaIOI2016Competition recordSilver medalSNStanislav NikolayenkoUkraineIMO2007Duke University Health SystemSystem Analyst II / LinuxIndexed profileSSStanislav SlavovBulgariaIMO2016Brevan HowardQuantitative AnalystAutumn profile
Stanislav SmirnovUnion of Soviet Socialist RepublicsIMO1986 · 1987University of GenevaProfessor of MathematicsAutumn profileSSStanislav SobolevskyBelarusIMO1993 · 1994AnalogPrincipal Research EngineerIndexed profileSTStanislav TomashUkraineIOI2017LyftMachine Learning EngineerIndexed profile
Stanisław BarzowskiPolandIOI2014XTX MarketsSoftware DeveloperAutumn profileSDStanisław DobrowolskiPolandIOI2013Competition recordBronze medalSJStanisław Jerzy SzarekPolandIMO1972Competition recordSilver medalSKStanisław KasjanPolandIMO1986Nicolaus Copernicus University, Faculty of Mathematics and Computer Scienceprofesor nadzwyczajny (associate professor)Indexed profileSLStanisław LadaPolandIOI2026Competition recordHonourable mentionIndexed profileSLStanisław LadaPolandIMO2024 · 2025Competition recordSilver medal · Gold medalSŁStanisław ŁojasiewiczPolandIMO1967Competition recordBronze medalSOStanislaw OvtcharovBulgariaIOI1997Competition recordSilver medalSSStanisław StrzeleckiPolandIOI2017Research Institute of Textile MAchineryScientist emeritiusIndexed profileSSStanisław SzarekPolandIMO1971Sorbonne UniversitéProfessorIndexed profileSVStanko VrščajYugoslaviaIMO1964Damsvet d.o.o.directorIndexed profileSAStanve Avrilium WidjajaIndonesiaIMO2020 · 2021IPEKAIndexed profileSGStavros GaroufalidisGreeceIMO1983Competition recordBronze medalSRStavros RoutzounisGreeceIMO199601 Solutions HellasProject ManagerIndexed profileSDStefaan DelcroixBelgiumIMO1991California State University, FresnoFull Professor in MathematicsIndexed profileSVStefaan VaesBelgiumIMO1994KU LeuvenVice Rector for the Science, Engineering and Technology Group. Culture, Art & Heritage.Indexed profileŞAŞtefan Adrian IvanoviciRomaniaIMO2010 · 2012Arnia SoftwareIndexed profileSAStefan Andrian AlbescuBelgiumIMO2025Competition recordBronze medalIndexed profileSCStefan CiobacaRomaniaIOI2003Competition recordSilver medalIndexed profileȘCȘtefan Constantin-BuligaRomaniaIOI2017 · 2018Competition recordGold medal · Silver medalIndexed profile
Ştefan-Cosmin GramatoviciRomaniaIMO2013OpenAIMember of Technical StaffAutumn profileSGStefan GradinaruRomaniaIMO1968 · 1969Competition recordSilver medal · Bronze medalSGStefan GüntherGerman Democratic RepublicIMO1986Competition recordSilver medalSHStefan HabenschussAustriaIOI2000blackshark.aiHead of Machine LearningIndexed profileSHStefan HadzhistoykovBulgariaIMO2020 · 2021Competition recordHonourable mention · Silver medalIndexed profileSHStefan HallezBelgiumIMO1999Competition recordBronze medalIndexed profileSHStefan HeinrichGerman Democratic RepublicIMO1966 · 1967 · 1968 · 1969Competition recordSilver medal · Gold medalSZStefanie ZbindenSwitzerlandIOI2016Competition recordSilver medalSZStefanie ZbindenSwitzerlandIMO2014 · 2015 · 2016Swissgrid AGCyber Security SpecialistIndexed profile
Srijon MukherjeeIndiaIOI2016 · 2017The D. E. Shaw GroupQuantitative ResearcherAutumn profileSBSrivatsan BalakrishnanIndiaIOI2007 · 2008Vola DynamicsQuantitative ResearcherIndexed profileSTStacey TianNew ZealandIMO2017Competition recordHonourable mentionSWStacey Wing Chee LawAustraliaIMO2009 · 2010AHL Legal (Austin Haworth & Lexon Legal)SolicitorIndexed profileSEStacia Edina JohannaIndonesiaIOI2016Competition recordBronze medalIndexed profileSSStanislas SochackiFranceIMO2007Competition recordBronze medalSAStanislau ArkhipauBelarusIMO2003 · 2004Competition recordBronze medal · Silver medalIndexed profileSDStanislau DamasevichBelarusIOI2021Competition recordSilver medalSHStanislau HalauniouBelarusIMO2002BrainRocketSenior Product OwnerIndexed profileSSStanislau ShapavalauBelarusIMO2007Competition recordBronze medalSTStanislau TsitsianokBelarusIOI2018GoogleИнженер-программистIndexed profileStanislav ChobanovBulgariaIMO2014EGT DigitalData Science Team LeadAutumn profileSEStanislav ErokhinRussian FederationIMO2010Sberbank-TechnologyIT Business PartnerIndexed profileSFStanislav FuniakSlovakiaIOI1997 · 1998Competition recordSilver medal · Gold medalIndexed profileSJStanislav JordanovBulgariaIMO1994Competition recordGold medalSKStanislav KrajčiCzechoslovakiaIMO1988UPJŠassoc. prof.Indexed profileSKStanislav KrymskiiRussian FederationIMO2018IMSP RASPhD studentIndexed profileSMStanislav MikešCzech RepublicIOI1996Competition recordBronze medalSNStanislav NaumovRussiaIOI2016Competition recordSilver medalSNStanislav NikolayenkoUkraineIMO2007Duke University Health SystemSystem Analyst II / LinuxIndexed profileSSStanislav SlavovBulgariaIMO2016Brevan HowardQuantitative AnalystAutumn profileStanislav SmirnovUnion of Soviet Socialist RepublicsIMO1986 · 1987University of GenevaProfessor of MathematicsAutumn profileSSStanislav SobolevskyBelarusIMO1993 · 1994AnalogPrincipal Research EngineerIndexed profileSTStanislav TomashUkraineIOI2017LyftMachine Learning EngineerIndexed profileStanisław BarzowskiPolandIOI2014XTX MarketsSoftware DeveloperAutumn profileSDStanisław DobrowolskiPolandIOI2013Competition recordBronze medalSJStanisław Jerzy SzarekPolandIMO1972Competition recordSilver medalSKStanisław KasjanPolandIMO1986Nicolaus Copernicus University, Faculty of Mathematics and Computer Scienceprofesor nadzwyczajny (associate professor)Indexed profileSLStanisław LadaPolandIOI2026Competition recordHonourable mentionIndexed profileSLStanisław LadaPolandIMO2024 · 2025Competition recordSilver medal · Gold medalSŁStanisław ŁojasiewiczPolandIMO1967Competition recordBronze medalSOStanislaw OvtcharovBulgariaIOI1997Competition recordSilver medalSSStanisław StrzeleckiPolandIOI2017Research Institute of Textile MAchineryScientist emeritiusIndexed profileSSStanisław SzarekPolandIMO1971Sorbonne UniversitéProfessorIndexed profileSVStanko VrščajYugoslaviaIMO1964Damsvet d.o.o.directorIndexed profileSAStanve Avrilium WidjajaIndonesiaIMO2020 · 2021IPEKAIndexed profileSGStavros GaroufalidisGreeceIMO1983Competition recordBronze medalSRStavros RoutzounisGreeceIMO199601 Solutions HellasProject ManagerIndexed profileSDStefaan DelcroixBelgiumIMO1991California State University, FresnoFull Professor in MathematicsIndexed profileSVStefaan VaesBelgiumIMO1994KU LeuvenVice Rector for the Science, Engineering and Technology Group. Culture, Art & Heritage.Indexed profileŞAŞtefan Adrian IvanoviciRomaniaIMO2010 · 2012Arnia SoftwareIndexed profileSAStefan Andrian AlbescuBelgiumIMO2025Competition recordBronze medalIndexed profileSCStefan CiobacaRomaniaIOI2003Competition recordSilver medalIndexed profileȘCȘtefan Constantin-BuligaRomaniaIOI2017 · 2018Competition recordGold medal · Silver medalIndexed profileŞtefan-Cosmin GramatoviciRomaniaIMO2013OpenAIMember of Technical StaffAutumn profileSGStefan GradinaruRomaniaIMO1968 · 1969Competition recordSilver medal · Bronze medalSGStefan GüntherGerman Democratic RepublicIMO1986Competition recordSilver medalSHStefan HabenschussAustriaIOI2000blackshark.aiHead of Machine LearningIndexed profileSHStefan HadzhistoykovBulgariaIMO2020 · 2021Competition recordHonourable mention · Silver medalIndexed profileSHStefan HallezBelgiumIMO1999Competition recordBronze medalIndexed profileSHStefan HeinrichGerman Democratic RepublicIMO1966 · 1967 · 1968 · 1969Competition recordSilver medal · Gold medalSZStefanie ZbindenSwitzerlandIOI2016Competition recordSilver medalSZStefanie ZbindenSwitzerlandIMO2014 · 2015 · 2016Swissgrid AGCyber Security SpecialistIndexed profile