All medalists.
IMO & IOI, including honourable mentions.
CHCho Ho LamHong KongIMO2007 · 2008 · 2009Competition recordSilver medalIndexed profileCMCho-Hong MinRepublic of KoreaIMO1989Kyung Hee UniversityAssistant ProfessorIndexed profileCHCho Hou TangMacao, ChinaIOI2017Competition recordBronze medalCHCho Hou TangMacauIMO2014 · 2015 · 2016 · 2017Competition recordHonourable mention · Bronze medal · Silver medalCKCho Kyi Thar ThinMyanmarIMO2020Competition recordHonourable mentionIndexed profileCHChol Hyok PakDemocratic People's Republic of KoreaIMO2008Competition recordSilver medalCMChol Man PakDemocratic People's Republic of KoreaIMO1992Competition recordBronze medalCSChol Su YunDemocratic People's Republic of KoreaIMO1992Competition recordSilver medalCFChon Fong NgMacao, ChinaIOI1999Competition recordBronze medalCHChong Ho HsiehHong KongIMO2022 · 2023Competition recordSilver medal · Bronze medalCHChong Ho HsiehHong Kong, ChinaIOI2021 · 2023Competition recordSilver medalIndexed profileCHChong Hui TanSingaporeIMO1990 · 1991Competition recordBronze medalCKChong Kian SohSingaporeIMO1999TenopyIndexed profileCDChongli Daniel ChenSingaporeIMO2004 · 2005Competition recordBronze medal · Silver medalCLChong Luck Ryan KorSingaporeIMO2011 · 2012Competition recordBronze medal · Silver medalCUChong Un UnMacauIMO2023Competition recordHonourable mentionCHChon Hei MakMacauIMO20267-ElevenResearch AssistantIndexed profileCHChon Hou YeMacao, ChinaIOI2022 · 2023Massachusetts Institute of TechnologyCore Engineer, Researcher @ Mantis, MIT Computational Biology GroupIndexed profileCHChon Hou YeMacauIMO2021 · 2022 · 2023Massachusetts Institute of TechnologyCore Engineer, Researcher @ Mantis, MIT Computational Biology GroupIndexed profileCKChon Kit LeiMacauIMO2018 · 2019Competition recordHonourable mention · Bronze medalCYChoong Yin HoweSingaporeIOI2015Competition recordBronze medalCSChoongyup SungRepublic of KoreaIMO2000Competition recordSilver medalCRChoo Ray LowSingaporeIMO2020 · 2021Competition recordBronze medal · Silver medalCGChoubaila GuerfiAlgeriaIMO2022Competition recordHonourable mentionIndexed profileCYChou-Han YangTaiwanIOI1996Competition recordSilver medalIndexed profileCBChris BellinUnited KingdomIMO2009Competition recordBronze medalCCChris ChenAustraliaIOI2006 · 2007Competition recordGold medalIndexed profileCJChris JacobsNetherlandsIMO1971Competition recordBronze medalCPChris PanNew ZealandIMO2024Competition recordSilver medalCSChris StolkNetherlandsIMO1991 · 1992University of AmsterdamAssociate ProfessorIndexed profileCBChristian BernertGermanyIMO2013 · 2014 · 2015LPM AcademyDirector & InhaberIndexed profileCEChristian EbkeGermanyIOI2004Competition recordBronze medalCGChristian GottliebSwedenIMO1970 · 1971Competition recordBronze medalCKChristian KauthLuxembourgIOI2004Adamcares AGChief Technology OfficerIndexed profileCKChristian KlossGermanyIOI1990Competition recordSilver medal
Christian KraftsikGermanyIMO2024The University of BonnStudentische HilfskraftIndexed profileCLChristian LindorferAustriaIMO2010United Latino Students Association-Indexed profileCMChristian MeislAustriaIOI1992BoschAbteilungsleiterIndexed profileCOChristian Omar Altamirano ModestoPeruIMO2012 · 2013 · 2014 · 2015GoogleIndexed profileCPChristian PaulyLuxembourgIMO1987 · 1988 · 1989Ministère de l'Économie - LuxembourgDirector, Disruptive TechnologiesIndexed profile
Christian ReiherGermanyIMO1999 · 2000 · 2001 · 2002 · 2003University of HamburgMathematician (Department of Mathematics)Autumn profileCRChristian Robert NoaghiuGermanyIMO2020 · 2022Studienstiftung des deutschen VolkesScholarship holderIndexed profileCSChristian SattlerGermanyIMO2004 · 2005 · 2006Competition recordSilver medal · Gold medalCSChristian Suyo BurgaPeruIMO2013 · 2014La TinkaAnalista Sr de Apuestas DeportivasIndexed profileCHChristianto HandojoIndonesiaIOI2010TravelokaSoftware EngineerIndexed profileCWChristian WuthrichSwitzerlandIMO1993 · 1995Competition recordSilver medalIndexed profileCDChristina Draper FontanalesSpainIMO1989Competition recordHonourable mentionCMChristina MeyerLuxembourgIMO2011 · 2012 · 2014Competition recordHonourable mentionCSChristina SavvidouCyprusIMO2001Freedom24Head of Regulatory ComplianceIndexed profileCTChristofer TautermannAustriaIMO1993Boehringer IngelheimDirector, Global Head of Computational ChemistryIndexed profileCGChristoffer Grøndal TryggestadNorwayIMO2020 · 2021Competition recordHonourable mentionIndexed profileCBChristoph BandtGerman Democratic RepublicIMO1967 · 1968Competition recordGold medalCBChristoph BergemannGermanyIMO1992Competition recordSilver medalIndexed profileCBChristoph BörgerGermanyIMO2018Competition recordSilver medalCBChristophe BonnardFranceIMO1993Competition recordSilver medalAutumn profileCKChristophe KamphausLuxembourgIOI2008Centre commun de la sécurité sociale (CCSS)DevOps EngineerIndexed profileCBChristopher BarberAustraliaIMO1995Competition recordHonourable mentionCBChristopher BrownNew ZealandIOI2015Competition recordBronze medalCCChristopher C. ChangUnited States of AmericaIMO1995 · 1996GRAILAssociate Director, Research Platform EngineeringIndexed profileCJChristopher James ChambersNew ZealandIMO2005Competition recordHonourable mention
Christian KraftsikGermanyIMO2024The University of BonnStudentische HilfskraftIndexed profileCLChristian LindorferAustriaIMO2010United Latino Students Association-Indexed profileCMChristian MeislAustriaIOI1992BoschAbteilungsleiterIndexed profileCOChristian Omar Altamirano ModestoPeruIMO2012 · 2013 · 2014 · 2015GoogleIndexed profileCPChristian PaulyLuxembourgIMO1987 · 1988 · 1989Ministère de l'Économie - LuxembourgDirector, Disruptive TechnologiesIndexed profileChristian ReiherGermanyIMO1999 · 2000 · 2001 · 2002 · 2003University of HamburgMathematician (Department of Mathematics)Autumn profileCRChristian Robert NoaghiuGermanyIMO2020 · 2022Studienstiftung des deutschen VolkesScholarship holderIndexed profileCSChristian SattlerGermanyIMO2004 · 2005 · 2006Competition recordSilver medal · Gold medalCSChristian Suyo BurgaPeruIMO2013 · 2014La TinkaAnalista Sr de Apuestas DeportivasIndexed profileCHChristianto HandojoIndonesiaIOI2010TravelokaSoftware EngineerIndexed profileCWChristian WuthrichSwitzerlandIMO1993 · 1995Competition recordSilver medalIndexed profileCDChristina Draper FontanalesSpainIMO1989Competition recordHonourable mentionCMChristina MeyerLuxembourgIMO2011 · 2012 · 2014Competition recordHonourable mentionCSChristina SavvidouCyprusIMO2001Freedom24Head of Regulatory ComplianceIndexed profileCTChristofer TautermannAustriaIMO1993Boehringer IngelheimDirector, Global Head of Computational ChemistryIndexed profileCGChristoffer Grøndal TryggestadNorwayIMO2020 · 2021Competition recordHonourable mentionIndexed profileCBChristoph BandtGerman Democratic RepublicIMO1967 · 1968Competition recordGold medalCBChristoph BergemannGermanyIMO1992Competition recordSilver medalIndexed profileCBChristoph BörgerGermanyIMO2018Competition recordSilver medalCBChristophe BonnardFranceIMO1993Competition recordSilver medalAutumn profileCKChristophe KamphausLuxembourgIOI2008Centre commun de la sécurité sociale (CCSS)DevOps EngineerIndexed profileCBChristopher BarberAustraliaIMO1995Competition recordHonourable mentionCBChristopher BrownNew ZealandIOI2015Competition recordBronze medalCCChristopher C. ChangUnited States of AmericaIMO1995 · 1996GRAILAssociate Director, Research Platform EngineeringIndexed profileCJChristopher James ChambersNew ZealandIMO2005Competition recordHonourable mention