All medalists.
IMO & IOI, including honourable mentions.
IBImre Bennett LeaderUnited KingdomIMO1981Competition recordSilver medalIRImre RuzsaHungaryIMO1969 · 1970 · 1971Rényi IntézetProfessorIndexed profileIVImrich VrťoCzechoslovakiaIMO1972Competition recordBronze medalIKInbar KlangIsraelIMO2009 · 2010Competition recordHonourable mentionIndexed profileICIn Chel KimDemocratic People's Republic of KoreaIMO1990Competition recordBronze medalIAIndra Astra YudaIndonesiaIMO1997Competition recordHonourable mentionIGIndraneel Gireendra KasmalkarIndiaIMO2011MoovMyWayChief Executive OfficerIndexed profileIMIndraneel MukherjeeIndiaIOI2003MistralAI ScientistIndexed profileIVIndy Van Den BroeckBelgiumIMO2017Competition recordBronze medal
Ines El-Bouzaidi TialiMoroccoIMO2019X-FinanceHead of CommunicationsAutumn profileIFInès FischlerFranceIOI2025Competition recordHonourable mentionIMIngerid Marie FosliNorwayIMO2013KickstarteriOS EngineerIndexed profileIVIngmar Vázquez GarcíaCubaIMO2002Instituto Superior Pedro Francisco BonóDocente de filosofíaIndexed profile
Ingólfur EðvarðssonIcelandIMO2009G-ResearchSoftware DeveloperAutumn profileIWIngo WarnkeGerman Democratic RepublicIMO1985 · 1986 · 1987Competition recordBronze medal · Silver medalIWIngo WittGerman Democratic RepublicIMO1983 · 1984Competition recordBronze medal · Silver medalIVIngrid VoigtGerman Democratic RepublicIMO1990regio iT aachenDatabase AdministratorIndexed profileIvIngrid von GlehnSouth AfricaIMO2002 · 2003 · 2004Google DeepMindStaff Research EngineerIndexed profile
Ingus Jānis PretkalniņšLatviaIOI2016 · 2017TildeResearcher/DeveloperAutumn profileIJIngus Jānis PretkalniņšLatviaIMO2017Competition recordBronze medalISIngus SmotrovsLatviaIMO2019 · 2020whiteCryption, a Zimperium CompanyJunior DeveloperIndexed profileIHIn Hwan ChoiRepublic of KoreaIMO2006LG ChemPrincipal ResearcherIndexed profileILIn Lok HoMacauIMO2026Competition recordHonourable mentionIEInna EntovaIsraelIMO2006 · 2007Competition recordSilver medal · Bronze medalIndexed profile
Innokentiy KaurovSpainIOI2023Jane StreetSoftware Engineer InternAutumn profileIMInomzhon MirzaevTajikistanIMO2007 · 2008 · 2009Mekanik Sistem Perde SanayiForeign Trade ManagerIndexed profile
In Suk SeoRepublic of KoreaIMO2002Seoul National UniversityProfessorAutumn profileISIn Sung NaUnited States of AmericaIMO2010Competition recordSilver medalIGIoana GrigorasIrelandIMO2016University of OxfordPostdoctoral ResearcherIndexed profile
Ioana-Maria TamasRomaniaIMO2012Hudson River TradingAlgorithm EngineerAutumn profileINIoan-Andrei NicolaeRomaniaIMO2018Competition recordGold medalIndexed profileIBIoan BejenaruRomaniaIMO1993UC San DiegoAssociate ProfessorIndexed profileILIoan Laurenţiu PloscaruRomaniaIMO2014 · 2016Competition recordSilver medalIMIoan MacarieRomaniaIMO1976Competition recordBronze medal
Ioan ManolescuRomaniaIMO2003University of FribourgProfessor (PO), Department of MathematicsAutumn profileIAIoannis AnapolitanosGreeceIMO2000Competition recordBronze medalICIoannis CharalambousCyprusIMO2020 · 2021LIED (UMR 8236)Indexed profileICIoannis ChatzimichosGreeceIOI2007 · 2008Competition recordBronze medalIDIoannis DimouliosGreeceIMO2020Competition recordHonourable mentionIndexed profileIGIoannis GalamatisGreeceIMO2024MercorMercorIndexed profileIIIoannis IvrissimtzisGreeceIMO1987Durham UniversityAssociate ProfessorIndexed profileIMIoannis MavroidisGreeceIMO1992 · 1994AN.OL.S.AΑΝΑΠΤΥΞΙΑΚΗ ΕΤΑΙΡΕΙΑ - Development AgencyIndexed profileIMIoannis MelissourgosGreeceIMO2026Competition recordBronze medalITIoannis TsoukalidisGreeceIOI1998 · 2000 · 2001Competition recordBronze medal · Silver medalIndexed profileIPIoan PopescuRomaniaIOI2021ZitecSoftware Test EngineerIndexed profileITIoan Tudor LeuRomaniaIOI1998GoogleSoftware EngineerIndexed profileIFIo Fai LeiMacao, ChinaIOI2023Competition recordHonourable mentionIndexed profile
Ion BudanaevRepublic of MoldovaIMO2003Helium 10Data ScientistAutumn profileIMIon MoraruRomaniaIMO1981Competition recordBronze medalISIon Saba ŞtefănescuRomaniaIMO1965Competition recordBronze medalITIordan TabovBulgariaIMO1965Competition recordBronze medalIndexed profileIBIosif BernsteinUnion of Soviet Socialist RepublicsIMO1962Tel Aviv UniversityProfessorIndexed profileIMIosvany Moya CruzCubaIOI2000Genex ServicesSoftware DeveloperIndexed profileIMIouri MakarytchevRussian FederationIMO1996Competition recordBronze medalICIrakli ChitaiaGeorgiaIMO2006Competition recordBronze medalIGIrakli GogiaGeorgiaIMO1998 · 2000Competition recordHonourable mentionIKIrakli KhomerikiGeorgiaIOI2004aMind SolutionsIndexed profileIMIrakli ManelidzeGeorgiaIMO1997 · 1998 · 1999Georgian-American School of TbilisiSchool PrincipalIndexed profileIMIrakli MerabishviliGeorgiaIMO2004 · 2005Competition recordBronze medalINIrakli NadiradzeGeorgiaIMO1993JSC TBC BankEnterprise ArchitectIndexed profile
Ines El-Bouzaidi TialiMoroccoIMO2019X-FinanceHead of CommunicationsAutumn profileIFInès FischlerFranceIOI2025Competition recordHonourable mentionIMIngerid Marie FosliNorwayIMO2013KickstarteriOS EngineerIndexed profileIVIngmar Vázquez GarcíaCubaIMO2002Instituto Superior Pedro Francisco BonóDocente de filosofíaIndexed profileIngólfur EðvarðssonIcelandIMO2009G-ResearchSoftware DeveloperAutumn profileIWIngo WarnkeGerman Democratic RepublicIMO1985 · 1986 · 1987Competition recordBronze medal · Silver medalIWIngo WittGerman Democratic RepublicIMO1983 · 1984Competition recordBronze medal · Silver medalIVIngrid VoigtGerman Democratic RepublicIMO1990regio iT aachenDatabase AdministratorIndexed profileIvIngrid von GlehnSouth AfricaIMO2002 · 2003 · 2004Google DeepMindStaff Research EngineerIndexed profileIngus Jānis PretkalniņšLatviaIOI2016 · 2017TildeResearcher/DeveloperAutumn profileIJIngus Jānis PretkalniņšLatviaIMO2017Competition recordBronze medalISIngus SmotrovsLatviaIMO2019 · 2020whiteCryption, a Zimperium CompanyJunior DeveloperIndexed profileIHIn Hwan ChoiRepublic of KoreaIMO2006LG ChemPrincipal ResearcherIndexed profileILIn Lok HoMacauIMO2026Competition recordHonourable mentionIEInna EntovaIsraelIMO2006 · 2007Competition recordSilver medal · Bronze medalIndexed profileInnokentiy KaurovSpainIOI2023Jane StreetSoftware Engineer InternAutumn profileIMInomzhon MirzaevTajikistanIMO2007 · 2008 · 2009Mekanik Sistem Perde SanayiForeign Trade ManagerIndexed profileIn Suk SeoRepublic of KoreaIMO2002Seoul National UniversityProfessorAutumn profileISIn Sung NaUnited States of AmericaIMO2010Competition recordSilver medalIGIoana GrigorasIrelandIMO2016University of OxfordPostdoctoral ResearcherIndexed profileIoana-Maria TamasRomaniaIMO2012Hudson River TradingAlgorithm EngineerAutumn profileINIoan-Andrei NicolaeRomaniaIMO2018Competition recordGold medalIndexed profileIBIoan BejenaruRomaniaIMO1993UC San DiegoAssociate ProfessorIndexed profileILIoan Laurenţiu PloscaruRomaniaIMO2014 · 2016Competition recordSilver medalIMIoan MacarieRomaniaIMO1976Competition recordBronze medalIoan ManolescuRomaniaIMO2003University of FribourgProfessor (PO), Department of MathematicsAutumn profileIAIoannis AnapolitanosGreeceIMO2000Competition recordBronze medalICIoannis CharalambousCyprusIMO2020 · 2021LIED (UMR 8236)Indexed profileICIoannis ChatzimichosGreeceIOI2007 · 2008Competition recordBronze medalIDIoannis DimouliosGreeceIMO2020Competition recordHonourable mentionIndexed profileIGIoannis GalamatisGreeceIMO2024MercorMercorIndexed profileIIIoannis IvrissimtzisGreeceIMO1987Durham UniversityAssociate ProfessorIndexed profileIMIoannis MavroidisGreeceIMO1992 · 1994AN.OL.S.AΑΝΑΠΤΥΞΙΑΚΗ ΕΤΑΙΡΕΙΑ - Development AgencyIndexed profileIMIoannis MelissourgosGreeceIMO2026Competition recordBronze medalITIoannis TsoukalidisGreeceIOI1998 · 2000 · 2001Competition recordBronze medal · Silver medalIndexed profileIPIoan PopescuRomaniaIOI2021ZitecSoftware Test EngineerIndexed profileITIoan Tudor LeuRomaniaIOI1998GoogleSoftware EngineerIndexed profileIFIo Fai LeiMacao, ChinaIOI2023Competition recordHonourable mentionIndexed profileIon BudanaevRepublic of MoldovaIMO2003Helium 10Data ScientistAutumn profileIMIon MoraruRomaniaIMO1981Competition recordBronze medalISIon Saba ŞtefănescuRomaniaIMO1965Competition recordBronze medalITIordan TabovBulgariaIMO1965Competition recordBronze medalIndexed profileIBIosif BernsteinUnion of Soviet Socialist RepublicsIMO1962Tel Aviv UniversityProfessorIndexed profileIMIosvany Moya CruzCubaIOI2000Genex ServicesSoftware DeveloperIndexed profileIMIouri MakarytchevRussian FederationIMO1996Competition recordBronze medalICIrakli ChitaiaGeorgiaIMO2006Competition recordBronze medalIGIrakli GogiaGeorgiaIMO1998 · 2000Competition recordHonourable mentionIKIrakli KhomerikiGeorgiaIOI2004aMind SolutionsIndexed profileIMIrakli ManelidzeGeorgiaIMO1997 · 1998 · 1999Georgian-American School of TbilisiSchool PrincipalIndexed profileIMIrakli MerabishviliGeorgiaIMO2004 · 2005Competition recordBronze medalINIrakli NadiradzeGeorgiaIMO1993JSC TBC BankEnterprise ArchitectIndexed profile