All medalists.
IMO & IOI, including honourable mentions.
AGAleksandr GnusovIMO2023Competition recordGold medalAGAleksandr GoncharovUnion of Soviet Socialist RepublicsIMO1976Competition recordGold medalAKAleksandr KalmyninRussian FederationIMO2012Competition recordGold medal
Aleksandr KaralyanArmeniaIMO2018Kapan Math ClubCo-Founder, Program DirectorAutumn profileAKAleksandr KhazanovUnited States of AmericaIMO1994 · 1995Competition recordGold medal · Silver medalAKAleksandr KoriyushkinUnion of Soviet Socialist RepublicsIMO1975Competition recordSilver medalAMAleksandr MorozovRussiaIOI2019Competition recordGold medalARAleksandr RazborovUnion of Soviet Socialist RepublicsIMO1979Competition recordGold medalARAleksandr ReznikovUnion of Soviet Socialist RepublicsIMO1975Competition recordSilver medalABAleksandrs BelovsLatviaIMO2001 · 2002Competition recordBronze medal · Silver medalABAleksandrs BelovsLatviaIOI2002IntexsysSoftware Architect/Team LeadIndexed profileASAleksandrs SļivkinsLatviaIMO1995 · 1996MicrosoftSenior Principal ResearcherIndexed profileAŠAleksandr ŠvedEstoniaIMO2011HelmesSoftware ArchitectIndexed profileABAleksandru BădescuRomaniaIMO1965 · 1966Nici unaRetras din activitatea executivăIndexed profileABAleksandru BuimoviciRomaniaIMO1961 · 1962Competition recordHonourable mention · Silver medalAZAleksandr ZiminRussian FederationIMO2015OpenChat, Jarvisy LTDCTO / CPO / Co-FounderIndexed profileAAAleksei AleksandrovUnion of Soviet Socialist RepublicsIMO1970 · 1971Competition recordSilver medalAGAleksei GanyukovEstoniaIMO2021 · 2022 · 2023Huawei Technologies Research and Development Belgium NVIndexed profileAJAleksei JemeljanovEstoniaIMO2024Competition recordHonourable mentionALAleksei LissitsinEstoniaIMO2002HelexSystem ArchitectIndexed profileAPAleksei PotepunUnion of Soviet Socialist RepublicsIMO1962Competition recordSilver medalATAleksei TolpygoUnion of Soviet Socialist RepublicsIMO1963Competition recordGold medalAVAleksei VolostnovRussian FederationIMO2014Competition recordSilver medalIndexed profileAPAleksejs PopovsLatviaIMO2015 · 2016FigmaSecurity EngineerIndexed profileAPAleksejs PopovsLatviaIOI2012 · 2013 · 2014 · 2015 · 2016FigmaSecurity EngineerIndexed profileAZAleksejs ZajakinsLatviaIOI2013 · 2014 · 2015Competition recordSilver medal · Gold medalAZAleksejs ZajakinsLatviaIMO2013 · 2015Competition recordHonourable mentionATAleksej TeplinskijUkraineIMO1992Institute of Mathematics, National Academy of Sciences of UkraineLeading Research FellowIndexed profileABAleksey BaryshnikovKyrgyzstanIOI2004Independent ReserveSenior Software EngineerIndexed profileACAleksey ChilikovRussian FederationIMO1992Moscow Institute of Physics and Technology (State University) - MIPT, PhystechSenior ResearcherIndexed profileAGAleksey GaponenkoBelarusIMO2014 · 2015Competition recordHonourable mention · Bronze medalIndexed profileAYAleksey Y. NoginCommonwealth of Independent StatesIMO1992LeidosFormal Methods Engineer, Software AcceleratorIndexed profileAGAleks GrigoryanArmeniaIOI2024 · 2025Competition recordHonourable mention · Bronze medalIndexed profileAGAleks GrigoryanArmeniaIMO2025Competition recordBronze medalAKAleksia KoloAlbaniaIMO2018Competition recordHonourable mentionIndexed profileAHAleksi HartikainenFinlandIOI2008WaymoIndexed profileATAleksij TasikjNorth MacedoniaIMO2022 · 2023 · 2024 · 2025Competition recordHonourable mention · Silver medal · Bronze medal · Gold medalAKAleksi KorpinenFinlandIMO2010Competition recordHonourable mentionASAleksi SaarelaFinlandIMO2003Competition recordHonourable mentionAKAleksis KoskiFinlandIMO2009 · 2010Competition recordHonourable mention · Bronze medal
Alem MemićBosnia and HerzegovinaIMO2006KAKTIData ScientistAutumn profileAAAlen AbdrakhmanovKazakhstanIMO2015Edge Health UKData EngineerIndexed profileAPAlena PirutkaBelarusIMO2002NYU Courant Institute School of Mathematics, Computing, and Data ScienceAssociate ProfessorIndexed profileAVAlena VencovskáCzechoslovakiaIMO1974Competition recordBronze medalABAlen BayevKazakhstanIMO2007Competition recordBronze medal
Alen GhazaryanArmeniaIMO2025AlgotitanQuant ResearcherAutumn profileAPAleš PřívětivýCzech RepublicIOI1997ClearstreamSoftware EngineerIndexed profileAAAlessandro AlbanoPhilippinesIMO2026Competition recordBronze medalAAAlessandro ArzilliItalyIOI2000Banca Monte dei Paschi di SienacapoufficioIndexed profileAAAlessandro Augusto Pinto de Oliveira PacanowskiBrazilIMO2013 · 2014Roda ConveniênciaCEOIndexed profileABAlessandro BortolinItalyIOI2019 · 2020IBMIndexed profileADAlessandro D'AndreaItalyIMO1989 · 1990Competition recordBronze medal · Silver medalADAlessandro DovisItalyIOI2010GoogleStaff Software EngineerIndexed profileALAlessandro LombardoItalyIOI2023 · 2024Competition recordBronze medalALAlessandro LombardoItalyIMO2024Competition recordSilver medalAMAlessandro MaconiItalyIOI2001IntelTechnology Development Quality and Reliability EngineerIndexed profileAPAlessandro PelizzolaItalyIMO1986Politecnico di TorinoProfessorIndexed profileAPAlessandro PigatiItalyIMO2011Università BocconiAssistant Professor of MathematicsIndexed profileAPAlessandro PivaItalyIOI2004KUNOS SimulazioniTechnical DirectorIndexed profileAGAlessio GuerrieriItalyIOI2005AcademicLabsSenior Data EngineerIndexed profile
Aleksandr KaralyanArmeniaIMO2018Kapan Math ClubCo-Founder, Program DirectorAutumn profileAKAleksandr KhazanovUnited States of AmericaIMO1994 · 1995Competition recordGold medal · Silver medalAKAleksandr KoriyushkinUnion of Soviet Socialist RepublicsIMO1975Competition recordSilver medalAMAleksandr MorozovRussiaIOI2019Competition recordGold medalARAleksandr RazborovUnion of Soviet Socialist RepublicsIMO1979Competition recordGold medalARAleksandr ReznikovUnion of Soviet Socialist RepublicsIMO1975Competition recordSilver medalABAleksandrs BelovsLatviaIMO2001 · 2002Competition recordBronze medal · Silver medalABAleksandrs BelovsLatviaIOI2002IntexsysSoftware Architect/Team LeadIndexed profileASAleksandrs SļivkinsLatviaIMO1995 · 1996MicrosoftSenior Principal ResearcherIndexed profileAŠAleksandr ŠvedEstoniaIMO2011HelmesSoftware ArchitectIndexed profileABAleksandru BădescuRomaniaIMO1965 · 1966Nici unaRetras din activitatea executivăIndexed profileABAleksandru BuimoviciRomaniaIMO1961 · 1962Competition recordHonourable mention · Silver medalAZAleksandr ZiminRussian FederationIMO2015OpenChat, Jarvisy LTDCTO / CPO / Co-FounderIndexed profileAAAleksei AleksandrovUnion of Soviet Socialist RepublicsIMO1970 · 1971Competition recordSilver medalAGAleksei GanyukovEstoniaIMO2021 · 2022 · 2023Huawei Technologies Research and Development Belgium NVIndexed profileAJAleksei JemeljanovEstoniaIMO2024Competition recordHonourable mentionALAleksei LissitsinEstoniaIMO2002HelexSystem ArchitectIndexed profileAPAleksei PotepunUnion of Soviet Socialist RepublicsIMO1962Competition recordSilver medalATAleksei TolpygoUnion of Soviet Socialist RepublicsIMO1963Competition recordGold medalAVAleksei VolostnovRussian FederationIMO2014Competition recordSilver medalIndexed profileAPAleksejs PopovsLatviaIMO2015 · 2016FigmaSecurity EngineerIndexed profileAPAleksejs PopovsLatviaIOI2012 · 2013 · 2014 · 2015 · 2016FigmaSecurity EngineerIndexed profileAZAleksejs ZajakinsLatviaIOI2013 · 2014 · 2015Competition recordSilver medal · Gold medalAZAleksejs ZajakinsLatviaIMO2013 · 2015Competition recordHonourable mentionATAleksej TeplinskijUkraineIMO1992Institute of Mathematics, National Academy of Sciences of UkraineLeading Research FellowIndexed profileABAleksey BaryshnikovKyrgyzstanIOI2004Independent ReserveSenior Software EngineerIndexed profileACAleksey ChilikovRussian FederationIMO1992Moscow Institute of Physics and Technology (State University) - MIPT, PhystechSenior ResearcherIndexed profileAGAleksey GaponenkoBelarusIMO2014 · 2015Competition recordHonourable mention · Bronze medalIndexed profileAYAleksey Y. NoginCommonwealth of Independent StatesIMO1992LeidosFormal Methods Engineer, Software AcceleratorIndexed profileAGAleks GrigoryanArmeniaIOI2024 · 2025Competition recordHonourable mention · Bronze medalIndexed profileAGAleks GrigoryanArmeniaIMO2025Competition recordBronze medalAKAleksia KoloAlbaniaIMO2018Competition recordHonourable mentionIndexed profileAHAleksi HartikainenFinlandIOI2008WaymoIndexed profileATAleksij TasikjNorth MacedoniaIMO2022 · 2023 · 2024 · 2025Competition recordHonourable mention · Silver medal · Bronze medal · Gold medalAKAleksi KorpinenFinlandIMO2010Competition recordHonourable mentionASAleksi SaarelaFinlandIMO2003Competition recordHonourable mentionAKAleksis KoskiFinlandIMO2009 · 2010Competition recordHonourable mention · Bronze medalAlem MemićBosnia and HerzegovinaIMO2006KAKTIData ScientistAutumn profileAAAlen AbdrakhmanovKazakhstanIMO2015Edge Health UKData EngineerIndexed profileAPAlena PirutkaBelarusIMO2002NYU Courant Institute School of Mathematics, Computing, and Data ScienceAssociate ProfessorIndexed profileAVAlena VencovskáCzechoslovakiaIMO1974Competition recordBronze medalABAlen BayevKazakhstanIMO2007Competition recordBronze medalAlen GhazaryanArmeniaIMO2025AlgotitanQuant ResearcherAutumn profileAPAleš PřívětivýCzech RepublicIOI1997ClearstreamSoftware EngineerIndexed profileAAAlessandro AlbanoPhilippinesIMO2026Competition recordBronze medalAAAlessandro ArzilliItalyIOI2000Banca Monte dei Paschi di SienacapoufficioIndexed profileAAAlessandro Augusto Pinto de Oliveira PacanowskiBrazilIMO2013 · 2014Roda ConveniênciaCEOIndexed profileABAlessandro BortolinItalyIOI2019 · 2020IBMIndexed profileADAlessandro D'AndreaItalyIMO1989 · 1990Competition recordBronze medal · Silver medalADAlessandro DovisItalyIOI2010GoogleStaff Software EngineerIndexed profileALAlessandro LombardoItalyIOI2023 · 2024Competition recordBronze medalALAlessandro LombardoItalyIMO2024Competition recordSilver medalAMAlessandro MaconiItalyIOI2001IntelTechnology Development Quality and Reliability EngineerIndexed profileAPAlessandro PelizzolaItalyIMO1986Politecnico di TorinoProfessorIndexed profileAPAlessandro PigatiItalyIMO2011Università BocconiAssistant Professor of MathematicsIndexed profileAPAlessandro PivaItalyIOI2004KUNOS SimulazioniTechnical DirectorIndexed profileAGAlessio GuerrieriItalyIOI2005AcademicLabsSenior Data EngineerIndexed profile