All medalists.
IMO & IOI, including honourable mentions.
HYHau Ye HengMalaysiaIOI2022Competition recordBronze medalHBHåvard Bakke BjerkevikNorwayIMO2011Competition recordSilver medalHLHåvard LarsenNorwayIMO1993 · 1994 · 1995Competition recordBronze medalHRHåvard Rognebakke KrogstieNorwayIOI2018NTNU Fakultet for informasjonsteknologi og elektroteknikkPhd-studentIndexed profileHQHaydar QassemSyriaIMO2022 · 2023Competition recordHonourable mentionIndexed profileHDHayim David ShamirIsraelIMO2024Competition recordBronze medalHAHayk AndriasyanArmeniaIMO2024Competition recordBronze medalIndexed profileHKHayk KarapetyanArmeniaIMO2020 · 2022Competition recordSilver medal · Bronze medalHMHayk ManukyanArmeniaIMO2026Competition recordSilver medalAutumn profileHSHayk SaribekyanArmeniaIOI2008 · 2009Competition recordBronze medal · Silver medalHSHayk SaribekyanArmeniaIMO2009Competition recordHonourable mentionIndexed profileHTHayk TepanyanArmeniaIOI2010PotuhMenejerIndexed profileHYHa Young ShinNew ZealandIMO2009Competition recordHonourable mentionIndexed profileHEHayrettin Eren YıldızTürkiyeIMO2020 · 2021HuaweiResearch InternIndexed profileHDHazem DalatiSyriaIOI2022Competition recordBronze medalIndexed profileHIHazem IssaEgyptIOI2020 · 2021Competition recordBronze medalHSHazem ShinofLuxembourgIMO2026Competition recordHonourable mentionHRHeather Rose MacbethNew ZealandIMO2004 · 2005Competition recordBronze medal · Silver medalHCHéctor ChangVenezuelaIMO2001 · 2002CIMATProfesorIndexed profileHDHéctor Daniel García LaraMexicoIMO2004 · 2005Competition recordBronze medal · Honourable mentionHEHéctor Enmanuel Alberti ArroyoEl SalvadorIMO2008Competition recordHonourable mentionHFHéctor Fernando Ricárdez LaraMexicoIOI2017 · 2019 · 2020Competition recordBronze medalHJHéctor Juan Villarreal CoronaMexicoIMO2024 · 2025Competition recordSilver medal · Bronze medalHTHector TenorioPeruIMO2026Competition recordSilver medalHJHeewoo JungRepublic of KoreaIOI2024Competition recordSilver medalIndexed profileHCHei Chit LeongMacauIMO2024Competition recordHonourable mentionHRHeidy Rodríguez FuentesCubaIMO2025Competition recordHonourable mentionHWHeike WenzelGerman Democratic RepublicIMO1961SAPSenior Development Manager – Enterprise Architecture & Suite Integration (2020 – Present)Indexed profileHNHeiki NiglasEstoniaIMO2006 · 2007TerviseametData AnalystIndexed profileHPHeikki PulkkinenFinlandIMO2009Schneider ElectricProject EngineerIndexed profileHTHeikki TuuriFinlandIMO1981 · 1982 · 1983Competition recordBronze medal · Silver medalHZHeinrich-Gregor ZirnsteinGermanyIOI2003Competition recordSilver medal
Heinrich JiangCanadaIMO2011StoryGoldChief ScientistAutumn profileHRHeinrich RolletschekAustriaIMO1971 · 1972Competition recordBronze medalHTHein ThantMyanmarIMO2020Competition recordHonourable mentionHTHein Thant AungMyanmarIMO2017ConceptXIndexed profileHEHeinz EnglAustriaIMO1971Competition recordBronze medalIndexed profileHRHeinz RoitnerAustriaIMO1981Competition recordSilver medalIndexed profileHSHeizo SakamotoJapanIMO2019Competition recordGold medalH(He (James) XuNew ZealandIMO2021 · 2022Competition recordBronze medal · Silver medalHHHelena HusováCzechoslovakiaIMO1970Competition recordBronze medalHPHelen Paola Morán CerónEl SalvadorIMO2025Competition recordHonourable mentionHKHelga Kristín ÓlafsdóttirIcelandIMO2010Competition recordHonourable mentionHRHelga Ragnheiður HaraldsdóttirIcelandIMO2002Competition recordHonourable mentionHRHelge RitterGermanyIMO1977Competition recordBronze medalIndexed profileHGHelmut GfrererAustriaIMO1976 · 1977 · 1978Johannes Kepler Universität LinzProfessorIndexed profileHBHelmuth BreitenfellnerAustriaIMO1986 · 1987Comprehensive Nuclear-Test-Ban Treaty Organization - CTBTOInformation Systems OfficerIndexed profileHKHelmut KahlbacherAustriaIMO1984Competition recordBronze medalHRHelmut RoßmannGerman Democratic RepublicIMO1974 · 1975Ross-Chemie GmbHGeschäftsführerIndexed profileHZHelmut ZeiselAustriaIMO1979Primetals TechnologiesLead EngineerIndexed profileHGHemra GurbanovTurkmenistanIMO2026Competition recordBronze medalHKHenadzi KlimukBelarusIMO2011YandexSoftware EngineerIndexed profileHMHenadzi MartsinkevichIOI2026Competition recordBronze medalHSHendra Suratno TjuIndonesiaIMO2004Competition recordBronze medalHLHendrie Louis UysSouth AfricaIMO2005 · 2007Competition recordHonourable mentionIndexed profileHJHendrik JaskaEstoniaIMO2026Competition recordBronze medalHLHendrik LönngrenGermanyIMO2001Competition recordSilver medalIndexed profileHNHendrik NigulEstoniaIOI2001 · 2002Starship TechnologiesIndexed profileHNHendrik NigulEstoniaIMO2000 · 2001 · 2002Starship TechnologiesSenior Software EngineerAutumn profileHVHendrik VijaEstoniaIMO2019 · 2020Competition recordBronze medal · Silver medalIndexed profile
Heinrich JiangCanadaIMO2011StoryGoldChief ScientistAutumn profileHRHeinrich RolletschekAustriaIMO1971 · 1972Competition recordBronze medalHTHein ThantMyanmarIMO2020Competition recordHonourable mentionHTHein Thant AungMyanmarIMO2017ConceptXIndexed profileHEHeinz EnglAustriaIMO1971Competition recordBronze medalIndexed profileHRHeinz RoitnerAustriaIMO1981Competition recordSilver medalIndexed profileHSHeizo SakamotoJapanIMO2019Competition recordGold medalH(He (James) XuNew ZealandIMO2021 · 2022Competition recordBronze medal · Silver medalHHHelena HusováCzechoslovakiaIMO1970Competition recordBronze medalHPHelen Paola Morán CerónEl SalvadorIMO2025Competition recordHonourable mentionHKHelga Kristín ÓlafsdóttirIcelandIMO2010Competition recordHonourable mentionHRHelga Ragnheiður HaraldsdóttirIcelandIMO2002Competition recordHonourable mentionHRHelge RitterGermanyIMO1977Competition recordBronze medalIndexed profileHGHelmut GfrererAustriaIMO1976 · 1977 · 1978Johannes Kepler Universität LinzProfessorIndexed profileHBHelmuth BreitenfellnerAustriaIMO1986 · 1987Comprehensive Nuclear-Test-Ban Treaty Organization - CTBTOInformation Systems OfficerIndexed profileHKHelmut KahlbacherAustriaIMO1984Competition recordBronze medalHRHelmut RoßmannGerman Democratic RepublicIMO1974 · 1975Ross-Chemie GmbHGeschäftsführerIndexed profileHZHelmut ZeiselAustriaIMO1979Primetals TechnologiesLead EngineerIndexed profileHGHemra GurbanovTurkmenistanIMO2026Competition recordBronze medalHKHenadzi KlimukBelarusIMO2011YandexSoftware EngineerIndexed profileHMHenadzi MartsinkevichIOI2026Competition recordBronze medalHSHendra Suratno TjuIndonesiaIMO2004Competition recordBronze medalHLHendrie Louis UysSouth AfricaIMO2005 · 2007Competition recordHonourable mentionIndexed profileHJHendrik JaskaEstoniaIMO2026Competition recordBronze medalHLHendrik LönngrenGermanyIMO2001Competition recordSilver medalIndexed profileHNHendrik NigulEstoniaIOI2001 · 2002Starship TechnologiesIndexed profileHNHendrik NigulEstoniaIMO2000 · 2001 · 2002Starship TechnologiesSenior Software EngineerAutumn profileHVHendrik VijaEstoniaIMO2019 · 2020Competition recordBronze medal · Silver medalIndexed profile