All medalists.
IMO & IOI, including honourable mentions.
MKMarek KrčálCzech RepublicIMO2003RossumDeep Learning at RossumAutumn profileMLMarek LudhaSlovakiaIOI2004Kiwi, Inc.Sports SpecialistIndexed profileMPMarek PechalCzech RepublicIMO2005IBMPostdoctoral ResearcherIndexed profileMSMarek SkibaPolandIOI2019Competition recordBronze medalMSMarek SokołowskiPolandIMO2013Competition recordBronze medalIndexed profileMSMarek SommerPolandIOI2013GoogleStudentIndexed profileMSMarek StockiPolandIOI1994Bright Coders' FactorySenior Software ArchitectIndexed profileMSMarek SulovskýCzech RepublicIOI2001Marek SulovskýPodnikatelIndexed profileMTMarek TesařSlovakiaIMO2002Competition recordBronze medalIndexed profileMTMarek TrippenbachPolandIMO1977University of WarsawprofesorIndexed profileMVMarek VelešíkCzechoslovakiaIMO1989Stráský, Hustý a partneřiProjektantIndexed profileMZMarek ZakrzewskiPolandIMO1970Competition recordBronze medalMZMarek ZbysińskiPolandIMO2022Competition recordSilver medalIndexed profileMSMargulan SharelKazakhstanIMO2023 · 2024 · 2025 · 2026Competition recordBronze medal · Silver medalMSMargus SmotrovsLatviaIMO2022 · 2023Competition recordHonourable mention · Bronze medal
Maria Alexa TudoseRomaniaIOI2020University of OxfordDoctoral Student (DPhil), Computer ScienceAutumn profileMCMaria Clara Fontes SilvaBrazilIOI2025 · 2026Competition recordBronze medalMCMaria Clara Mendes SilvaBrazilIMO2011 · 2012Competition recordBronze medal · Honourable mentionMCMaria ColomboItalyIMO2005 · 2006 · 2007Università degli Studi di MilanoprofessorIndexed profileMdMaria de Aguilar Sousa e Almeida MadrugoPortugalIMO2018Competition recordHonourable mentionMGMaría Guadalupe Solaeche AmadeoParaguayIMO2022Competition recordHonourable mentionMIMaria IlyukhinaRussian FederationIMO2007WorldQuantVice President, Uber teamIndexed profileMIMaría IndacocheaEcuadorIMO2019Competition recordHonourable mentionMIMaría Isabel Cordero MarcosSpainIMO2004Competition recordHonourable mentionMJMaría José Ortiz BenítezParaguayIMO2022 · 2023Competition recordHonourable mentionMAMariam AvalishviliGeorgiaIMO1997Competition recordHonourable mention
Mariam El KhatriMoroccoIMO2019CitiQuantitative Analyst - Equity DerivativesAutumn profileMKMariam KobiashviliGeorgiaIOI2008 · 2009AsanaSoftware EngineerIndexed profileMVMariana Vilela Marta Rio CostaPortugalIMO2022Calouste Gulbenkian FoundationUndergraduate Research FellowIndexed profileMDMarian DietzGermanyIOI2017Competition recordSilver medalMDMarián DvorskýSlovakiaIOI2000 · 2001OpenAIMember of Technical StaffIndexed profileMMMariángeles Mavárez RangelVenezuelaIMO2020 · 2021Competition recordHonourable mentionMHMarián HorňákSlovakiaIMO2010 · 2011 · 2012Workflows s.r.o.Java DeveloperIndexed profileMHMarián HorňákSlovakiaIOI2012Workflows s.r.o.Java DeveloperIndexed profileMKMarián KovaľSlovakiaIOI2026Competition recordBronze medalMKMarián KovaľSlovakiaIMO2026Gymnázium Grösslingová, BratislavaAutumn profileMCMarianna CsörnyeiHungaryIMO1993 · 1994Competition recordGold medal · Silver medalMBMariano BonifacioArgentinaIMO2012CuballamaJunior Data ScientistIndexed profileMOMarian OrłowskiPolandIMO1964Competition recordSilver medalAutumn profileMOMarian OsiewiczPolandIMO1961Competition recordHonourable mentionMPMarian PoljakCzech RepublicIMO2015 · 2016Pure StorageSenior Software EngineerIndexed profileMPMarián PoturnaySlovakiaIMO2017 · 2019Competition recordBronze medal · Honourable mention
Marian SoltanMoldovaIOI2024Citadel SecuritiesSoftware EngineerAutumn profileMRMaria RoginskayaUnion of Soviet Socialist RepublicsIMO1989Chalmers University of TechnologyBitr. ProfessorIndexed profileMSMaria SavchukIsraelIMO2007Competition recordHonourable mentionMTMaría Teresa Huánuco CandiaPeruIMO2006Competition recordHonourable mentionMXMaria Ximena RuedaColombiaIMO2011 · 2012Competition recordHonourable mentionMKMarica KneževićMontenegroIMO2008MUFG Investor ServicesTechnical Business Analysis LeadAutumn profileMDMarie DetermeBelgiumIMO2021Competition recordHonourable mentionMMMarielv Mavárez RangelVenezuelaIMO2020Competition recordHonourable mentionMEMariem El EuchTunisiaIMO2014Competition recordHonourable mentionMNMarie Noelle Seif AsskarSyriaIMO2022Competition recordHonourable mentionIndexed profileMPMarie PeetersBelgiumIMO2017 · 2018 · 2019Vlaamse Wiskunde OlympiadeEGMO deputy leaderIndexed profileMJMarija JelićSerbiaIMO2006 · 2007 · 2008Competition recordBronze medal · Silver medalMSMarijana SmailagićSerbiaIMO2006University of California, Santa CruzGraduate Student Researcher - Circumgalactic Medium of Luminous Red GalaxiesIndexed profileMVMarijana VujadinovićSerbiaIMO2015X&AI EngineerIndexed profileMPMarijan PolićCroatiaIMO2001 · 2002Intuita / NEET AcademyData Science TraineeIndexed profileMKMarijn KruisselbrinkNetherlandsIOI2002 · 2003GoogleSoftware EngineerIndexed profileMPMarijonas PetrauskasLithuaniaIOI2010 · 2011ArgyleIndexed profileMSMarijonas Salvijus KeturakisLithuaniaIOI2024 · 2025Competition recordBronze medal · Honourable mention
Maria Alexa TudoseRomaniaIOI2020University of OxfordDoctoral Student (DPhil), Computer ScienceAutumn profileMCMaria Clara Fontes SilvaBrazilIOI2025 · 2026Competition recordBronze medalMCMaria Clara Mendes SilvaBrazilIMO2011 · 2012Competition recordBronze medal · Honourable mentionMCMaria ColomboItalyIMO2005 · 2006 · 2007Università degli Studi di MilanoprofessorIndexed profileMdMaria de Aguilar Sousa e Almeida MadrugoPortugalIMO2018Competition recordHonourable mentionMGMaría Guadalupe Solaeche AmadeoParaguayIMO2022Competition recordHonourable mentionMIMaria IlyukhinaRussian FederationIMO2007WorldQuantVice President, Uber teamIndexed profileMIMaría IndacocheaEcuadorIMO2019Competition recordHonourable mentionMIMaría Isabel Cordero MarcosSpainIMO2004Competition recordHonourable mentionMJMaría José Ortiz BenítezParaguayIMO2022 · 2023Competition recordHonourable mentionMAMariam AvalishviliGeorgiaIMO1997Competition recordHonourable mentionMariam El KhatriMoroccoIMO2019CitiQuantitative Analyst - Equity DerivativesAutumn profileMKMariam KobiashviliGeorgiaIOI2008 · 2009AsanaSoftware EngineerIndexed profileMVMariana Vilela Marta Rio CostaPortugalIMO2022Calouste Gulbenkian FoundationUndergraduate Research FellowIndexed profileMDMarian DietzGermanyIOI2017Competition recordSilver medalMDMarián DvorskýSlovakiaIOI2000 · 2001OpenAIMember of Technical StaffIndexed profileMMMariángeles Mavárez RangelVenezuelaIMO2020 · 2021Competition recordHonourable mentionMHMarián HorňákSlovakiaIMO2010 · 2011 · 2012Workflows s.r.o.Java DeveloperIndexed profileMHMarián HorňákSlovakiaIOI2012Workflows s.r.o.Java DeveloperIndexed profileMKMarián KovaľSlovakiaIOI2026Competition recordBronze medalMKMarián KovaľSlovakiaIMO2026Gymnázium Grösslingová, BratislavaAutumn profileMCMarianna CsörnyeiHungaryIMO1993 · 1994Competition recordGold medal · Silver medalMBMariano BonifacioArgentinaIMO2012CuballamaJunior Data ScientistIndexed profileMOMarian OrłowskiPolandIMO1964Competition recordSilver medalAutumn profileMOMarian OsiewiczPolandIMO1961Competition recordHonourable mentionMPMarian PoljakCzech RepublicIMO2015 · 2016Pure StorageSenior Software EngineerIndexed profileMPMarián PoturnaySlovakiaIMO2017 · 2019Competition recordBronze medal · Honourable mentionMarian SoltanMoldovaIOI2024Citadel SecuritiesSoftware EngineerAutumn profileMRMaria RoginskayaUnion of Soviet Socialist RepublicsIMO1989Chalmers University of TechnologyBitr. ProfessorIndexed profileMSMaria SavchukIsraelIMO2007Competition recordHonourable mentionMTMaría Teresa Huánuco CandiaPeruIMO2006Competition recordHonourable mentionMXMaria Ximena RuedaColombiaIMO2011 · 2012Competition recordHonourable mentionMKMarica KneževićMontenegroIMO2008MUFG Investor ServicesTechnical Business Analysis LeadAutumn profileMDMarie DetermeBelgiumIMO2021Competition recordHonourable mentionMMMarielv Mavárez RangelVenezuelaIMO2020Competition recordHonourable mentionMEMariem El EuchTunisiaIMO2014Competition recordHonourable mentionMNMarie Noelle Seif AsskarSyriaIMO2022Competition recordHonourable mentionIndexed profileMPMarie PeetersBelgiumIMO2017 · 2018 · 2019Vlaamse Wiskunde OlympiadeEGMO deputy leaderIndexed profileMJMarija JelićSerbiaIMO2006 · 2007 · 2008Competition recordBronze medal · Silver medalMSMarijana SmailagićSerbiaIMO2006University of California, Santa CruzGraduate Student Researcher - Circumgalactic Medium of Luminous Red GalaxiesIndexed profileMVMarijana VujadinovićSerbiaIMO2015X&AI EngineerIndexed profileMPMarijan PolićCroatiaIMO2001 · 2002Intuita / NEET AcademyData Science TraineeIndexed profileMKMarijn KruisselbrinkNetherlandsIOI2002 · 2003GoogleSoftware EngineerIndexed profileMPMarijonas PetrauskasLithuaniaIOI2010 · 2011ArgyleIndexed profileMSMarijonas Salvijus KeturakisLithuaniaIOI2024 · 2025Competition recordBronze medal · Honourable mention