All medalists.
IMO & IOI, including honourable mentions.
CECarlos Emilio Ramos AguilarMexicoIMO2020 · 2021hackerone hunterdmAnalista de productoIndexed profileCECarlos Eugenio Sauer AyalaParaguayIMO2002Ministerio de Obras Públicas y ComunicacionesSenior ConsultantIndexed profileCFCarlos Felipe Shum ApuyCosta RicaIMO2022 · 2023 · 2024Competition recordBronze medal · Honourable mentionIndexed profile
Carlos FonsecaPuerto RicoIMO2004University of CambridgeAssociate Professor in Postcolonial Latin American Literature and CultureAutumn profileCGCarlos Galeana HernándezMexicoIOI2016United Latino Students AssociationCall Center RepresentativeIndexed profileCGCarlos Gustavo T. de A. MoreiraBrazilIMO1989 · 1990Competition recordBronze medal · Gold medalCHCarlos Humberto CaicedoColombiaIMO1995 · 1997Competition recordHonourable mention · Bronze medalCHCarlos Humberto Torres ArdilaColombiaIMO1997 · 1998SASSr. Technical Training ConsultantAutumn profileCLCarlos LamasVenezuelaIMO2011Corporacion CATIVENEspecialistaIndexed profileCMCarlos Manuel Navarro MoraCosta RicaIMO2023Tecnológico de Costa RicaCourse AssistantIndexed profileCMCarlos Mario Sánchez VargasColombiaIMO2012Competition recordHonourable mentionCMCarlos Miguel SotoArgentinaIOI2018 · 2019MuunCryptography EngineerIndexed profileCRCarlos Rafael Gil AlvaradoEl SalvadorIMO2016Competition recordHonourable mentionCRCarlos Ramos CuevasMexicoIMO1998 · 1999TNG Technology ConsultingSenior ConsultantIndexed profileCSCarlos SotoArgentinaIMO2016 · 2018Competition recordHonourable mention · Bronze medalCSCarlos Stein Naves de BritoBrazilIMO2001EPFLComputational Neuroscience PhDIndexed profileCTCarlos ThompsonColombiaIMO1988 · 1989 · 1990Competition recordBronze medalCVCarlos Vargas ObietaMexicoIMO2004Competition recordBronze medalCVCarlos Villagordo EspinosaSpainIMO2024Competition recordHonourable mentionIndexed profileCPCarl Peter KirkeboeNorwayIMO1992Competition recordBronze medal
Carl Robert HultquistSouth AfricaIOI1999 · 2000IntelliGridCo-FounderAutumn profileCWCarl WesterlundSwedenIOI2019Competition recordBronze medalCACarmela AcevedoVenezuelaIMO2010Competition recordHonourable mentionIndexed profileCACarmela Antoinette Sio LaoPhilippinesIMO2009 · 2010 · 2011Competition recordBronze medal · Silver medalCGCarolina GonzalezArgentinaIMO2010Competition recordHonourable mentionCMCarolina MouraBrazilIOI2020 · 2021 · 2022Competition recordBronze medal · Silver medalCOCarolina OrtegaColombiaIMO2017Competition recordBronze medalCHCasper HeimelNetherlandsIMO2025Competition recordBronze medalIndexed profileCMCasper MadlenerNetherlandsIMO2022Competition recordGold medalIndexed profileCGCassandra GraceNew ZealandIOI2022Competition recordBronze medal
Cassidy Kyler TanPhilippinesIOI2022 · 2023Competition recordHonourable mention · Silver medalAutumn profileCPCassius Pérez de Los CobosSpainIMO2011Competition recordHonourable mentionCJCastor José Alvarez BebesaCubaIMO1989Competition recordHonourable mentionCMCatalina MonsalveColombiaIMO2017Competition recordHonourable mentionCDCatalin Dan VoinescuRomaniaIOI1991Edge SpecialistsSoftware Development ConsultantIndexed profileCFCatalin FrancuRomaniaIOI1996FR SoftwareOwnerIndexed profileCRCătălin RusnacRepublic of MoldovaIMO2013Institute of Science and Technology AustriaDoctoral StudentIndexed profileCŞCatalin ŞtefanescuRomaniaIMO1970Competition recordBronze medalCPCatherine PlayoustAustraliaIMO1986Competition recordBronze medalCFCatriona Frances MacleanUnited KingdomIMO1993 · 1994MUFGDirectorIndexed profileCPCedric PeschardFranceIMO1990DMS - DURR METALLERIE SERRURERIEMétallierIndexed profileCTCédric TroessaertBelgiumIMO2002 · 2003Haute École Robert Schuman (HERS)Maitre assistantIndexed profileCJCe JinChinaIOI2016UC Berkeley Miller Institute for Basic Research in ScienceMiller FellowIndexed profileCMCem MutlugünTürkiyeIMO1992Competition recordBronze medalIndexed profileCECengiz Eray AslanTürkiyeIOI2023 · 2024Competition recordBronze medal · Silver medalIndexed profileCEC. EnhboldMongoliaIMO1984Competition recordBronze medalCACésar Arturo Cepeda GarcíaMexicoIOI1993AurovirtualCo-Founder & Board MemberIndexed profileCBCésar Bibiano VelascoMexicoIMO2009StrykerSenior Staff EngineerIndexed profileCCCesar CuencaPeruIMO2007Competition recordHonourable mentionIndexed profileCCCésar Cuenca LuceroPeruIMO2008 · 2009Competition recordSilver medalIndexed profile
César KawakamiBrazilIOI2007AmebaSoftware EngineerAutumn profileCOCesar OlivaresPeruIMO1989Technology by JLLDirector, Data ScienceIndexed profileCRCésar Ruíz MerazMexicoIMO1997Competition recordBronze medalCFCesc FolchSpainIMO2015Competition recordHonourable mentionÇÜÇetin ÜrtişTürkiyeIMO1991Competition recordHonourable mentionIndexed profileCMCevegmidin MizhidorzhMongoliaIMO1964Competition recordBronze medalCGCezar GheorgheRomaniaIMO1959 · 1960Competition recordSilver medal · Gold medalCPCezar PortRepublic of MoldovaIMO2015 · 2016Competition recordSilver medal · Bronze medalIndexed profileCJCezary JuszczakPolandIMO1982 · 1983University of WroclawAdiunktIndexed profileCTChaang Tze Shen TristanMalaysiaIMO2018 · 2019 · 2020 · 2021 · 2022Competition recordHonourable mention · Bronze medal
Carlos FonsecaPuerto RicoIMO2004University of CambridgeAssociate Professor in Postcolonial Latin American Literature and CultureAutumn profileCGCarlos Galeana HernándezMexicoIOI2016United Latino Students AssociationCall Center RepresentativeIndexed profileCGCarlos Gustavo T. de A. MoreiraBrazilIMO1989 · 1990Competition recordBronze medal · Gold medalCHCarlos Humberto CaicedoColombiaIMO1995 · 1997Competition recordHonourable mention · Bronze medalCHCarlos Humberto Torres ArdilaColombiaIMO1997 · 1998SASSr. Technical Training ConsultantAutumn profileCLCarlos LamasVenezuelaIMO2011Corporacion CATIVENEspecialistaIndexed profileCMCarlos Manuel Navarro MoraCosta RicaIMO2023Tecnológico de Costa RicaCourse AssistantIndexed profileCMCarlos Mario Sánchez VargasColombiaIMO2012Competition recordHonourable mentionCMCarlos Miguel SotoArgentinaIOI2018 · 2019MuunCryptography EngineerIndexed profileCRCarlos Rafael Gil AlvaradoEl SalvadorIMO2016Competition recordHonourable mentionCRCarlos Ramos CuevasMexicoIMO1998 · 1999TNG Technology ConsultingSenior ConsultantIndexed profileCSCarlos SotoArgentinaIMO2016 · 2018Competition recordHonourable mention · Bronze medalCSCarlos Stein Naves de BritoBrazilIMO2001EPFLComputational Neuroscience PhDIndexed profileCTCarlos ThompsonColombiaIMO1988 · 1989 · 1990Competition recordBronze medalCVCarlos Vargas ObietaMexicoIMO2004Competition recordBronze medalCVCarlos Villagordo EspinosaSpainIMO2024Competition recordHonourable mentionIndexed profileCPCarl Peter KirkeboeNorwayIMO1992Competition recordBronze medalCarl Robert HultquistSouth AfricaIOI1999 · 2000IntelliGridCo-FounderAutumn profileCWCarl WesterlundSwedenIOI2019Competition recordBronze medalCACarmela AcevedoVenezuelaIMO2010Competition recordHonourable mentionIndexed profileCACarmela Antoinette Sio LaoPhilippinesIMO2009 · 2010 · 2011Competition recordBronze medal · Silver medalCGCarolina GonzalezArgentinaIMO2010Competition recordHonourable mentionCMCarolina MouraBrazilIOI2020 · 2021 · 2022Competition recordBronze medal · Silver medalCOCarolina OrtegaColombiaIMO2017Competition recordBronze medalCHCasper HeimelNetherlandsIMO2025Competition recordBronze medalIndexed profileCMCasper MadlenerNetherlandsIMO2022Competition recordGold medalIndexed profileCGCassandra GraceNew ZealandIOI2022Competition recordBronze medalCassidy Kyler TanPhilippinesIOI2022 · 2023Competition recordHonourable mention · Silver medalAutumn profileCPCassius Pérez de Los CobosSpainIMO2011Competition recordHonourable mentionCJCastor José Alvarez BebesaCubaIMO1989Competition recordHonourable mentionCMCatalina MonsalveColombiaIMO2017Competition recordHonourable mentionCDCatalin Dan VoinescuRomaniaIOI1991Edge SpecialistsSoftware Development ConsultantIndexed profileCFCatalin FrancuRomaniaIOI1996FR SoftwareOwnerIndexed profileCRCătălin RusnacRepublic of MoldovaIMO2013Institute of Science and Technology AustriaDoctoral StudentIndexed profileCŞCatalin ŞtefanescuRomaniaIMO1970Competition recordBronze medalCPCatherine PlayoustAustraliaIMO1986Competition recordBronze medalCFCatriona Frances MacleanUnited KingdomIMO1993 · 1994MUFGDirectorIndexed profileCPCedric PeschardFranceIMO1990DMS - DURR METALLERIE SERRURERIEMétallierIndexed profileCTCédric TroessaertBelgiumIMO2002 · 2003Haute École Robert Schuman (HERS)Maitre assistantIndexed profileCJCe JinChinaIOI2016UC Berkeley Miller Institute for Basic Research in ScienceMiller FellowIndexed profileCMCem MutlugünTürkiyeIMO1992Competition recordBronze medalIndexed profileCECengiz Eray AslanTürkiyeIOI2023 · 2024Competition recordBronze medal · Silver medalIndexed profileCEC. EnhboldMongoliaIMO1984Competition recordBronze medalCACésar Arturo Cepeda GarcíaMexicoIOI1993AurovirtualCo-Founder & Board MemberIndexed profileCBCésar Bibiano VelascoMexicoIMO2009StrykerSenior Staff EngineerIndexed profileCCCesar CuencaPeruIMO2007Competition recordHonourable mentionIndexed profileCCCésar Cuenca LuceroPeruIMO2008 · 2009Competition recordSilver medalIndexed profileCésar KawakamiBrazilIOI2007AmebaSoftware EngineerAutumn profileCOCesar OlivaresPeruIMO1989Technology by JLLDirector, Data ScienceIndexed profileCRCésar Ruíz MerazMexicoIMO1997Competition recordBronze medalCFCesc FolchSpainIMO2015Competition recordHonourable mentionÇÜÇetin ÜrtişTürkiyeIMO1991Competition recordHonourable mentionIndexed profileCMCevegmidin MizhidorzhMongoliaIMO1964Competition recordBronze medalCGCezar GheorgheRomaniaIMO1959 · 1960Competition recordSilver medal · Gold medalCPCezar PortRepublic of MoldovaIMO2015 · 2016Competition recordSilver medal · Bronze medalIndexed profileCJCezary JuszczakPolandIMO1982 · 1983University of WroclawAdiunktIndexed profileCTChaang Tze Shen TristanMalaysiaIMO2018 · 2019 · 2020 · 2021 · 2022Competition recordHonourable mention · Bronze medal