All medalists.
IMO & IOI, including honourable mentions.
DTDaviti TogoeviGeorgiaIMO2022Competition recordHonourable mentionDKDavit KaragulyanArmeniaIMO2006KTH Royal Institute of TechnologyPostdoctoral ResearcherIndexed profileDKDavit KhvedelidzeGeorgiaIMO2017ARRISEGame MathematicianIndexed profileDKDavit KldiashviliGeorgiaIMO2022 · 2023 · 2024Competition recordBronze medal · Gold medalIndexed profileDTDavit TatoshviliGeorgiaIMO2017Online TutoringOnline Tutor in Olympiad MathematicsIndexed profileDBDavor BonaciCroatiaIOI2003DataStaxExecutive Vice President and CTOIndexed profileDLDavor LovrićCroatiaIOI1995CredsCTO & Co-FounderIndexed profile
Davor PrugoveckiCroatiaIOI2005Amazon Web ServicesSenior Software Development ManagerAutumn profileDODavrbek OltiboevUzbekistanIMO2017 · 2018Competition recordHonourable mentionDLDavron LatipovTajikistanIMO2006NAVOIZOT MARTIN MARIE NOELLEDriverIndexed profileDTDavud TarverdiliAzerbaijanIMO2025Competition recordHonourable mentionDMDavut MuhammetgurbanovTurkmenistanIMO2023Competition recordHonourable mentionIndexed profile
Dawid JamkaPolandIOI2018Jane StreetSoftware Engineer InternAutumn profileDCDawn ChenNew ZealandIMO2023 · 2024Competition recordHonourable mention · Bronze medalDSDawn SawangsapThailandIMO2025 · 2026Competition recordSilver medal · Bronze medalDHDaw-Sen HwangTaiwanIMO2003 · 2004Google DeepMindGDM Staff Software EngineerIndexed profileDDDayantsolmon DavagMongoliaIMO1995Competition recordHonourable mentionDMDazhe MengSingaporeIMO2001 · 2002Competition recordBronze medalDMDea MyshketaAlbaniaIMO2020Current Events for TeensWebsite Management DirectorIndexed profileDHDeany Hendrick ChengPhilippinesIMO2013Brooklyn Sports & EntertainmentBrand and Consumer InsightsIndexed profileDSDebapriya Saha RoyBangladeshIMO2023Competition recordHonourable mentionIndexed profileDBDebdyuti BanerjeeIndiaIMO2011 · 2012Competition recordBronze medal · Gold medalDDDebojoti Das SoumyaBangladeshIOI2022 · 2023 · 2024 · 2025Optica IndustriesEngineerIndexed profileDBDeborah Barbosa AlvesBrazilIMO2010 · 2011Competition recordHonourable mention · Bronze medalDDDecheng DaiChinaIOI2002AnthropicMember of Technical StaffIndexed profileDGDeclan GoreyAustraliaIMO2011OptiverCommodity Derivatives TraderAutumn profileDMDeclan ManningIrelandIMO2013Munster Technological UniversityLecturer in MathematicsIndexed profileDMDeclan McDonnellAustraliaIOI2015 · 2016Competition recordBronze medal · Silver medal
Deepesh SinghalIndiaIMO2016Susquehanna International GroupQuantitative ResearcherAutumn profileDODeirdre O'BrienIrelandIMO1995Competition recordHonourable mentionDMDeividas MorkūnasLithuaniaIMO2016GoRampIndexed profileDJDejan JovanovićSerbia and MontenegroIOI1998Amazon Web Services (AWS)Senior Applied ScientistIndexed profileDKDejan KolundzijaSerbia and MontenegroIOI2002Asseco SEE (Serbia)Indexed profileDKDejan KolundžijaYugoslaviaIMO2002Asseco SEE (Serbia)Indexed profileDSDejan StankovićBosnia and HerzegovinaIMO2018 · 2019 · 2020Competition recordBronze medal · Honourable mentionDDDekai DongAustriaIMO2013 · 2014Competition recordHonourable mention · Silver medalDMDelong MengUnited States of AmericaIMO2009Competition recordSilver medal
Demeter KissHungaryIMO2003Second FoundationAnalystAutumn profileDGDemetre GelashviliGeorgiaIMO2021AnyDesk SoftwareIndexed profileDCDemetris ChristofidesCyprusIMO1998Projects.cyCo-FounderIndexed profileDCDemetris ChrysostomouCyprusIOI2021 · 2022 · 2023Cyprus Computer Society - CCSCompetitive Programming (CP) InstructorIndexed profileDGDemi GuoUnited States of AmericaIOI2015Competition recordSilver medalDPDemir PapićBosnia and HerzegovinaIMO2014 · 2015Competition recordHonourable mentionIndexed profileDKDénes KochAustriaIMO2000 · 2001Competition recordBronze medalDADenis AurouxFranceIMO1992Competition recordSilver medalIndexed profileDBDenis BogdanasMoldovaIOI2000Runtime Verification IncSenior Software EngineerIndexed profileDBDenis BoisnaultFranceIMO2003Direction générale des douanes et droits indirects (DGDDI)Indexed profileDDDenis DenisovRussiaIOI2006Competition recordGold medalDDDenis DmitrievCanadaIOI2000Competition recordSilver medalAutumn profileDDDenis DudkoUkraineIMO1992 · 1993quintet DUDKO,Okean ElzybassIndexed profileDCDenise CheungCanadaIMO2000PwCDirectorIndexed profileDFDenis Farid Arancibia BobarinBoliviaIMO2018Competition recordHonourable mentionIndexed profileDFDenis Farid Arancibia BobarinBoliviaIMO2017Competition recordHonourable mentionIndexed profileDFDenis FilippenkoUkraineIOI1992FUIBDeputy head of Software development and support DivisionIndexed profileDLDenis LallemandFranceIMO1988Competition recordBronze medalDLDenis LeblondFranceIMO1973Competition recordSilver medalDMDenis MustafinIMO2022Competition recordSilver medalDNDenis NardinItalyIMO2007University of RegensburgAkademischer RatIndexed profile
Denis OvchinnikovKazakhstanIMO2010NVIDIASenior DL Algorithms EngineerAutumn profileDČDeniss ČebikinsLatviaIMO1998 · 1999Competition recordSilver medal · Gold medal
Davor PrugoveckiCroatiaIOI2005Amazon Web ServicesSenior Software Development ManagerAutumn profileDODavrbek OltiboevUzbekistanIMO2017 · 2018Competition recordHonourable mentionDLDavron LatipovTajikistanIMO2006NAVOIZOT MARTIN MARIE NOELLEDriverIndexed profileDTDavud TarverdiliAzerbaijanIMO2025Competition recordHonourable mentionDMDavut MuhammetgurbanovTurkmenistanIMO2023Competition recordHonourable mentionIndexed profileDawid JamkaPolandIOI2018Jane StreetSoftware Engineer InternAutumn profileDCDawn ChenNew ZealandIMO2023 · 2024Competition recordHonourable mention · Bronze medalDSDawn SawangsapThailandIMO2025 · 2026Competition recordSilver medal · Bronze medalDHDaw-Sen HwangTaiwanIMO2003 · 2004Google DeepMindGDM Staff Software EngineerIndexed profileDDDayantsolmon DavagMongoliaIMO1995Competition recordHonourable mentionDMDazhe MengSingaporeIMO2001 · 2002Competition recordBronze medalDMDea MyshketaAlbaniaIMO2020Current Events for TeensWebsite Management DirectorIndexed profileDHDeany Hendrick ChengPhilippinesIMO2013Brooklyn Sports & EntertainmentBrand and Consumer InsightsIndexed profileDSDebapriya Saha RoyBangladeshIMO2023Competition recordHonourable mentionIndexed profileDBDebdyuti BanerjeeIndiaIMO2011 · 2012Competition recordBronze medal · Gold medalDDDebojoti Das SoumyaBangladeshIOI2022 · 2023 · 2024 · 2025Optica IndustriesEngineerIndexed profileDBDeborah Barbosa AlvesBrazilIMO2010 · 2011Competition recordHonourable mention · Bronze medalDDDecheng DaiChinaIOI2002AnthropicMember of Technical StaffIndexed profileDGDeclan GoreyAustraliaIMO2011OptiverCommodity Derivatives TraderAutumn profileDMDeclan ManningIrelandIMO2013Munster Technological UniversityLecturer in MathematicsIndexed profileDMDeclan McDonnellAustraliaIOI2015 · 2016Competition recordBronze medal · Silver medalDeepesh SinghalIndiaIMO2016Susquehanna International GroupQuantitative ResearcherAutumn profileDODeirdre O'BrienIrelandIMO1995Competition recordHonourable mentionDMDeividas MorkūnasLithuaniaIMO2016GoRampIndexed profileDJDejan JovanovićSerbia and MontenegroIOI1998Amazon Web Services (AWS)Senior Applied ScientistIndexed profileDKDejan KolundzijaSerbia and MontenegroIOI2002Asseco SEE (Serbia)Indexed profileDKDejan KolundžijaYugoslaviaIMO2002Asseco SEE (Serbia)Indexed profileDSDejan StankovićBosnia and HerzegovinaIMO2018 · 2019 · 2020Competition recordBronze medal · Honourable mentionDDDekai DongAustriaIMO2013 · 2014Competition recordHonourable mention · Silver medalDMDelong MengUnited States of AmericaIMO2009Competition recordSilver medalDemeter KissHungaryIMO2003Second FoundationAnalystAutumn profileDGDemetre GelashviliGeorgiaIMO2021AnyDesk SoftwareIndexed profileDCDemetris ChristofidesCyprusIMO1998Projects.cyCo-FounderIndexed profileDCDemetris ChrysostomouCyprusIOI2021 · 2022 · 2023Cyprus Computer Society - CCSCompetitive Programming (CP) InstructorIndexed profileDGDemi GuoUnited States of AmericaIOI2015Competition recordSilver medalDPDemir PapićBosnia and HerzegovinaIMO2014 · 2015Competition recordHonourable mentionIndexed profileDKDénes KochAustriaIMO2000 · 2001Competition recordBronze medalDADenis AurouxFranceIMO1992Competition recordSilver medalIndexed profileDBDenis BogdanasMoldovaIOI2000Runtime Verification IncSenior Software EngineerIndexed profileDBDenis BoisnaultFranceIMO2003Direction générale des douanes et droits indirects (DGDDI)Indexed profileDDDenis DenisovRussiaIOI2006Competition recordGold medalDDDenis DmitrievCanadaIOI2000Competition recordSilver medalAutumn profileDDDenis DudkoUkraineIMO1992 · 1993quintet DUDKO,Okean ElzybassIndexed profileDCDenise CheungCanadaIMO2000PwCDirectorIndexed profileDFDenis Farid Arancibia BobarinBoliviaIMO2018Competition recordHonourable mentionIndexed profileDFDenis Farid Arancibia BobarinBoliviaIMO2017Competition recordHonourable mentionIndexed profileDFDenis FilippenkoUkraineIOI1992FUIBDeputy head of Software development and support DivisionIndexed profileDLDenis LallemandFranceIMO1988Competition recordBronze medalDLDenis LeblondFranceIMO1973Competition recordSilver medalDMDenis MustafinIMO2022Competition recordSilver medalDNDenis NardinItalyIMO2007University of RegensburgAkademischer RatIndexed profileDenis OvchinnikovKazakhstanIMO2010NVIDIASenior DL Algorithms EngineerAutumn profileDČDeniss ČebikinsLatviaIMO1998 · 1999Competition recordSilver medal · Gold medal