All medalists.
IMO & IOI, including honourable mentions.
BMBaraka Muturi MulwaKenyaIMO2026Competition recordHonourable mention
Barbara KuskovaBelarusIOI2014 · 2015GoogleSite Reliability EngineerAutumn profileBRBarbu Rudolf BerceanuRomaniaIMO1968 · 1969 · 1970IMSS, Bucharestsenior researcherIndexed profileBOBardh OsmaniKosovoIMO2020BOREK SOLUTIONS GROUPFull Stack EngineerIndexed profileBKBardiya KhosheghbalIslamic Republic of IranIMO2025Competition recordGold medalBGBar GouetaIsraelIMO2005 · 2006Competition recordBronze medal · Honourable mentionAutumn profileBGBar GouetaIsraelIOI2006Competition recordBronze medalBKBariş KayaTürkiyeIOI2009 · 2010 · 2011UNIQ MOBmanagerIndexed profileBKBarış KoyuncuTürkiyeIMO2021 · 2022 · 2023 · 2024Competition recordBronze medal · Silver medal · Gold medalIndexed profile
Barış TemelkuranTürkiyeIOI1997 · 1998ExodusPoint Capital Management, LPMacro Portfolio ManagerAutumn profileBLBarjol LamiAlbaniaIMO2016Competition recordHonourable mentionBJBarnabás JanzerHungaryIMO2014 · 2015Competition recordSilver medal · Bronze medalBSBarnabás SzabóHungaryIMO2015 · 2016Competition recordSilver medalBBBarry BrannanAustraliaIOI1992Data Processors Pty LtdTeam ManagerIndexed profileBdBart de BruynBelgiumIMO1992Competition recordSilver medalBdBart de SmitNetherlandsIMO1984Leiden UniversityVice dean of the Faculty of ScienceIndexed profileBBBartłomiej BollinPolandIMO2017Competition recordBronze medal
Bartłomiej CzarkowskiPolandIOI2021Sentinel EagleFounding EngineerAutumn profileBDBartłomiej DudekPolandIOI2012Dobry PlanCo-FounderIndexed profileBDBartłomiej DydaPolandIMO1996Competition recordSilver medalBRBartłomiej RomańskiPolandIOI2004RTB HouseCTOIndexed profile
Bart MichelsBelgiumIMO2013AKUR8Senior Software EngineerAutumn profileBWBartosz WalczakPolandIOI2002 · 2003Competition recordSilver medal · Gold medalBvBart van de LeemputNetherlandsIMO1981Vereniging Afvalbedrijven • Partner in de circulaire economieVoorzitterIndexed profileBWBar Wai Barry WoHong KongIMO2011Competition recordBronze medalBSBarys SerankouBelarusIMO2016NebiusSoftware EngineerIndexed profileBNBasarab NicolescuRomaniaIMO1959 · 1960Competition recordGold medal · Honourable mentionBCBas CapelNetherlandsIMO2023 · 2024Competition recordSilver medal · Bronze medalBSBashir SadjadIranIOI1997GoogleSoftware EngineerIndexed profile
Basim KhajwalUnited KingdomIOI2018Jane StreetSoftware EngineerAutumn profile
Bas NieuwenhuizenNetherlandsIOI2010 · 2011Hudson River TradingSoftware EngineerAutumn profileBBBassel BelhadjTunisiaIMO2013Hamilton MedicalSoftware Robotics EngineerIndexed profileBVBas VerseveldtNetherlandsIMO2014Competition recordSilver medalBBBatbaatar BurentogtokhMongoliaIOI2006Competition recordBronze medalBOBatbaatar OtgonratMongoliaIMO1995Competition recordHonourable mentionBABat-Erdene AmarsanaaMongoliaIMO2000Tomujin Alternative SchoolStudentIndexed profileBBBat-Erdene BatsukhMongoliaIOI2022Competition recordBronze medalBTBat-Erdene TsendMongoliaIMO2006Competition recordBronze medalAutumn profileBBBatgerel BaltMongoliaIMO1985Joint Institute for Nuclear ResearchresearcherIndexed profileBBBatkhuyag BatsaikhanMongoliaIMO2011GoogleSoftware EngineerIndexed profileBBBatmend BatsaikhanMongoliaIMO2017 · 2018 · 2019Competition recordHonourable mention · Bronze medalBBBatniam BaatarjabMongoliaIMO1990SHUTISmanagerIndexed profileBBBat-Od BattserenMongoliaIMO2011Competition recordHonourable mentionIndexed profile
Bat-Od BattserenMongoliaIMO2012Vanderbilt UniversityPostdoctoral ScholarAutumn profileBBBat-Orgil BatsaikhanMongoliaIMO2012Competition recordBronze medalBBBat-Orgil BatsaikhanMongoliaIMO2013Competition recordHonourable mentionBBBatsambuu BatboldMongoliaIMO2020 · 2021Macalester CollegeUndergraduate PreceptorIndexed profileBDBatugahage Don Lasitha Vishwajith JayasingheSri LankaIMO2023 · 2024 · 2025 · 2026Competition recordHonourable mention · Bronze medal · Silver medalBKBatuhan KaragözTürkiyeIMO2006StrykerPrincipal Software EngineerIndexed profileBABatyr AtayevTurkmenistanIMO2002 · 2003 · 2004Competition recordHonourable mention · Bronze medalBBBatyrkhan BeiganovKazakhstanIMO2026Competition recordSilver medalBOBatyrkhan OrynkulKazakhstanIMO2013GoogleSoftware EngineerIndexed profileBSBatyrkhan SakenovKazakhstanIMO2023Career HackersGenAI developerIndexed profileBOBatyr OvezmyradovTurkmenistanIMO2023Competition recordHonourable mention
Batyr SardarbekovKazakhstanIOI2019NethermindSoftware EngineerAutumn profileBGBatzaya GantsoojMongoliaIMO2006Competition recordHonourable mentionIndexed profileBDBatzorig DelgerMongoliaIMO2014Competition recordBronze medalBCBauke ConijnNetherlandsIOI2005Quintiq, a Dassault Systèmes companyIndexed profileBBBaurzhan BektemirovKazakhstanIMO2001 · 2002 · 2003Competition recordGold medal · Silver medalBUBaurzhan UrgunshbayevKazakhstanIMO2002 · 2003Competition recordBronze medal · Silver medal
Barbara KuskovaBelarusIOI2014 · 2015GoogleSite Reliability EngineerAutumn profileBRBarbu Rudolf BerceanuRomaniaIMO1968 · 1969 · 1970IMSS, Bucharestsenior researcherIndexed profileBOBardh OsmaniKosovoIMO2020BOREK SOLUTIONS GROUPFull Stack EngineerIndexed profileBKBardiya KhosheghbalIslamic Republic of IranIMO2025Competition recordGold medalBGBar GouetaIsraelIMO2005 · 2006Competition recordBronze medal · Honourable mentionAutumn profileBGBar GouetaIsraelIOI2006Competition recordBronze medalBKBariş KayaTürkiyeIOI2009 · 2010 · 2011UNIQ MOBmanagerIndexed profileBKBarış KoyuncuTürkiyeIMO2021 · 2022 · 2023 · 2024Competition recordBronze medal · Silver medal · Gold medalIndexed profileBarış TemelkuranTürkiyeIOI1997 · 1998ExodusPoint Capital Management, LPMacro Portfolio ManagerAutumn profileBLBarjol LamiAlbaniaIMO2016Competition recordHonourable mentionBJBarnabás JanzerHungaryIMO2014 · 2015Competition recordSilver medal · Bronze medalBSBarnabás SzabóHungaryIMO2015 · 2016Competition recordSilver medalBBBarry BrannanAustraliaIOI1992Data Processors Pty LtdTeam ManagerIndexed profileBdBart de BruynBelgiumIMO1992Competition recordSilver medalBdBart de SmitNetherlandsIMO1984Leiden UniversityVice dean of the Faculty of ScienceIndexed profileBBBartłomiej BollinPolandIMO2017Competition recordBronze medalBartłomiej CzarkowskiPolandIOI2021Sentinel EagleFounding EngineerAutumn profileBDBartłomiej DudekPolandIOI2012Dobry PlanCo-FounderIndexed profileBDBartłomiej DydaPolandIMO1996Competition recordSilver medalBRBartłomiej RomańskiPolandIOI2004RTB HouseCTOIndexed profileBart MichelsBelgiumIMO2013AKUR8Senior Software EngineerAutumn profileBWBartosz WalczakPolandIOI2002 · 2003Competition recordSilver medal · Gold medalBvBart van de LeemputNetherlandsIMO1981Vereniging Afvalbedrijven • Partner in de circulaire economieVoorzitterIndexed profileBWBar Wai Barry WoHong KongIMO2011Competition recordBronze medalBSBarys SerankouBelarusIMO2016NebiusSoftware EngineerIndexed profileBNBasarab NicolescuRomaniaIMO1959 · 1960Competition recordGold medal · Honourable mentionBCBas CapelNetherlandsIMO2023 · 2024Competition recordSilver medal · Bronze medalBSBashir SadjadIranIOI1997GoogleSoftware EngineerIndexed profileBasim KhajwalUnited KingdomIOI2018Jane StreetSoftware EngineerAutumn profileBas NieuwenhuizenNetherlandsIOI2010 · 2011Hudson River TradingSoftware EngineerAutumn profileBBBassel BelhadjTunisiaIMO2013Hamilton MedicalSoftware Robotics EngineerIndexed profileBVBas VerseveldtNetherlandsIMO2014Competition recordSilver medalBBBatbaatar BurentogtokhMongoliaIOI2006Competition recordBronze medalBOBatbaatar OtgonratMongoliaIMO1995Competition recordHonourable mentionBABat-Erdene AmarsanaaMongoliaIMO2000Tomujin Alternative SchoolStudentIndexed profileBBBat-Erdene BatsukhMongoliaIOI2022Competition recordBronze medalBTBat-Erdene TsendMongoliaIMO2006Competition recordBronze medalAutumn profileBBBatgerel BaltMongoliaIMO1985Joint Institute for Nuclear ResearchresearcherIndexed profileBBBatkhuyag BatsaikhanMongoliaIMO2011GoogleSoftware EngineerIndexed profileBBBatmend BatsaikhanMongoliaIMO2017 · 2018 · 2019Competition recordHonourable mention · Bronze medalBBBatniam BaatarjabMongoliaIMO1990SHUTISmanagerIndexed profileBBBat-Od BattserenMongoliaIMO2011Competition recordHonourable mentionIndexed profileBat-Od BattserenMongoliaIMO2012Vanderbilt UniversityPostdoctoral ScholarAutumn profileBBBat-Orgil BatsaikhanMongoliaIMO2012Competition recordBronze medalBBBat-Orgil BatsaikhanMongoliaIMO2013Competition recordHonourable mentionBBBatsambuu BatboldMongoliaIMO2020 · 2021Macalester CollegeUndergraduate PreceptorIndexed profileBDBatugahage Don Lasitha Vishwajith JayasingheSri LankaIMO2023 · 2024 · 2025 · 2026Competition recordHonourable mention · Bronze medal · Silver medalBKBatuhan KaragözTürkiyeIMO2006StrykerPrincipal Software EngineerIndexed profileBABatyr AtayevTurkmenistanIMO2002 · 2003 · 2004Competition recordHonourable mention · Bronze medalBBBatyrkhan BeiganovKazakhstanIMO2026Competition recordSilver medalBOBatyrkhan OrynkulKazakhstanIMO2013GoogleSoftware EngineerIndexed profileBSBatyrkhan SakenovKazakhstanIMO2023Career HackersGenAI developerIndexed profileBOBatyr OvezmyradovTurkmenistanIMO2023Competition recordHonourable mentionBatyr SardarbekovKazakhstanIOI2019NethermindSoftware EngineerAutumn profileBGBatzaya GantsoojMongoliaIMO2006Competition recordHonourable mentionIndexed profileBDBatzorig DelgerMongoliaIMO2014Competition recordBronze medalBCBauke ConijnNetherlandsIOI2005Quintiq, a Dassault Systèmes companyIndexed profileBBBaurzhan BektemirovKazakhstanIMO2001 · 2002 · 2003Competition recordGold medal · Silver medalBUBaurzhan UrgunshbayevKazakhstanIMO2002 · 2003Competition recordBronze medal · Silver medal