All medalists.
IMO & IOI, including honourable mentions.
STSohei TomizawaJapanIMO1998Competition recordSilver medalSKSoh KumabeJapanIMO2014Competition recordGold medalSKSoh KumabeJapanIOI2013Competition recordSilver medalSKSoichiro KitanoJapanIMO2026Competition recordBronze medalSKSoji KubotaJapanIMO2017Competition recordSilver medalSISokratis IliadisGreeceIMO2024 · 2025Competition recordBronze medalSISokratis IliadisGreeceIOI2025Competition recordBronze medal
Solal AfotaFranceIMO2021Patagon MarketsPartnerAutumn profileSPSolal Pivron-DjeddiFranceIMO2024 · 2025Competition recordSilver medalSHSólrún Halla EinarsdóttirIcelandIMO2010Emstrur VefsíðugerðEfnisinnsetningIndexed profileSCSomboon ChiewcharnpipatThailandIMO1998 · 1999 · 2000Competition recordBronze medal · Silver medalIndexed profileSMSo Min MunDemocratic People's Republic of KoreaIMO2011Competition recordGold medalSCSomporn ChanprajakwanichThailandIMO1989Competition recordHonourable mentionSASomyos AssamongkolThailandIMO1998Competition recordHonourable mentionSBSon Bao PhamVietnamIOI1994 · 1995University of Engineering and Technology, Vietnam National University HanoiAssociate ProfessorIndexed profileSKSondre KvammeNorwayIMO2009Norges teknisk-naturvitenskapelige universitet (NTNU)FørsteamanuensisIndexed profileSCSong Chol RyuDemocratic People's Republic of KoreaIMO2011Competition recordSilver medalSHSong Hyok KangDemocratic People's Republic of KoreaIMO2015Competition recordSilver medalSISong Il KimDemocratic People's Republic of KoreaIMO2014Competition recordSilver medalSISong Il KimDemocratic People's Republic of KoreaIMO2013Competition recordSilver medalSLSong LiuChinaIMO1995Competition recordGold medalSPSong Pok HongMacauIMO2023 · 2024Competition recordHonourable mentionSLSongun LeeRepublic of KoreaIMO2017 · 2018Competition recordGold medal · Silver medalIndexed profileSWSong WangChinaIMO1990 · 1991Competition recordGold medalSCSongyong ChoeDemocratic People's Republic of KoreaIMO2013 · 2014 · 2015Competition recordSilver medal · Gold medalSLSơn Lê NgọcVietnamIMO2007Competition recordSilver medalSNSon NguyenVietnamIOI2008Vestiaire CollectiveSenior Software EngineerIndexed profileSNSon Nguyễn KimVietnamIMO2004Competition recordGold medalSBSonny Budiman SasakaIndonesiaIOI2005Competition recordBronze medalSVSonSan VongMacao, ChinaIOI1994Competition recordBronze medalSHSoo Hong LeeRepublic of KoreaIMO2007 · 2008Competition recordSilver medal · Gold medalSOSoontorn OraintaraThailandIMO1990 · 1991The University of Texas at ArlingtonAssociate ProfessorIndexed profileSPSopanan PiboonrattanakitThailandIMO1995Competition recordHonourable mentionSCSophearak ChoengCambodiaIMO2015Competition recordHonourable mentionIndexed profileSTSora TodakaJapanIOI2019Competition recordSilver medalSPSorawee PorncharoenwaseThailandIOI2012Competition recordBronze medalIndexed profile
Sorawit SuriyakarnThailandIOI2011Band ProtocolCTO and Co-FounderAutumn profileSESorbalo EugenMoldovaIOI2003GoogleIndexed profileSBSøren BoldsenDenmarkIMO2000Competition recordHonourable mentionSGSøren G. SmithDenmarkIMO1995Competition recordHonourable mentionSJSoren John HenriksenAustraliaIOI1992Ellex – Lumibird MedicalEmbedded Systems EngineerIndexed profileSLSøren Lund SkeieDenmarkIMO2021Competition recordHonourable mentionSPSören PetersenSwedenIOI2003Competition recordSilver medalSRSorin RădulescuRomaniaIMO1972Competition recordSilver medalSSSorin Stancu-MaraRomaniaIOI2004Competition recordBronze medalIndexed profileSYSoroosh YazdaniCanadaIMO1996University of WaterlooAdjunct ProfessorIndexed profileSTSoroush TaslimiIslamic Republic of IranIMO2017RBCManager, Risk ManagementIndexed profileSVSossin ViktorKazakhstanIMO2005Nazarbayev Intellectual SchoolsSchool PrincipalIndexed profileSTSotirios TzavoulisGreeceIMO2025Competition recordHonourable mentionSASouheib Abdeldjalil AlloutAlgeriaIMO2015Competition recordHonourable mentionSGSoumik GhoshIndiaIMO2014 · 2015Tata Institute of Fundamental Research, MumbaiIndexed profileSASoumil AggarwalIndiaIMO2019Quantbox ResearchQuantitative ResearcherAutumn profileSDSoumitra DasBangladeshIMO2018 · 2019 · 2020Competition recordHonourable mention · Bronze medalIndexed profileSDSourav DasBangladeshIMO2012 · 2013Competition recordBronze medalSPSovanlandy PhengCambodiaIMO2007MetaSenior Software EngineerIndexed profileSGSpandan GhoshIndiaIMO2018QualcommSenior Lead EngineerIndexed profileSHSparik HayrapetyanArmeniaIOI2014Competition recordBronze medalIndexed profileŠŠŠpela ŠpenkoSloveniaIMO2005 · 2006Competition recordHonourable mention · Bronze medalIndexed profileSCSpencer ComptonUnited States of AmericaIOI2018Competition recordGold medalSASpyridon AlexakisGreeceIMO1996Competition recordBronze medalIndexed profile
Solal AfotaFranceIMO2021Patagon MarketsPartnerAutumn profileSPSolal Pivron-DjeddiFranceIMO2024 · 2025Competition recordSilver medalSHSólrún Halla EinarsdóttirIcelandIMO2010Emstrur VefsíðugerðEfnisinnsetningIndexed profileSCSomboon ChiewcharnpipatThailandIMO1998 · 1999 · 2000Competition recordBronze medal · Silver medalIndexed profileSMSo Min MunDemocratic People's Republic of KoreaIMO2011Competition recordGold medalSCSomporn ChanprajakwanichThailandIMO1989Competition recordHonourable mentionSASomyos AssamongkolThailandIMO1998Competition recordHonourable mentionSBSon Bao PhamVietnamIOI1994 · 1995University of Engineering and Technology, Vietnam National University HanoiAssociate ProfessorIndexed profileSKSondre KvammeNorwayIMO2009Norges teknisk-naturvitenskapelige universitet (NTNU)FørsteamanuensisIndexed profileSCSong Chol RyuDemocratic People's Republic of KoreaIMO2011Competition recordSilver medalSHSong Hyok KangDemocratic People's Republic of KoreaIMO2015Competition recordSilver medalSISong Il KimDemocratic People's Republic of KoreaIMO2014Competition recordSilver medalSISong Il KimDemocratic People's Republic of KoreaIMO2013Competition recordSilver medalSLSong LiuChinaIMO1995Competition recordGold medalSPSong Pok HongMacauIMO2023 · 2024Competition recordHonourable mentionSLSongun LeeRepublic of KoreaIMO2017 · 2018Competition recordGold medal · Silver medalIndexed profileSWSong WangChinaIMO1990 · 1991Competition recordGold medalSCSongyong ChoeDemocratic People's Republic of KoreaIMO2013 · 2014 · 2015Competition recordSilver medal · Gold medalSLSơn Lê NgọcVietnamIMO2007Competition recordSilver medalSNSon NguyenVietnamIOI2008Vestiaire CollectiveSenior Software EngineerIndexed profileSNSon Nguyễn KimVietnamIMO2004Competition recordGold medalSBSonny Budiman SasakaIndonesiaIOI2005Competition recordBronze medalSVSonSan VongMacao, ChinaIOI1994Competition recordBronze medalSHSoo Hong LeeRepublic of KoreaIMO2007 · 2008Competition recordSilver medal · Gold medalSOSoontorn OraintaraThailandIMO1990 · 1991The University of Texas at ArlingtonAssociate ProfessorIndexed profileSPSopanan PiboonrattanakitThailandIMO1995Competition recordHonourable mentionSCSophearak ChoengCambodiaIMO2015Competition recordHonourable mentionIndexed profileSTSora TodakaJapanIOI2019Competition recordSilver medalSPSorawee PorncharoenwaseThailandIOI2012Competition recordBronze medalIndexed profileSorawit SuriyakarnThailandIOI2011Band ProtocolCTO and Co-FounderAutumn profileSESorbalo EugenMoldovaIOI2003GoogleIndexed profileSBSøren BoldsenDenmarkIMO2000Competition recordHonourable mentionSGSøren G. SmithDenmarkIMO1995Competition recordHonourable mentionSJSoren John HenriksenAustraliaIOI1992Ellex – Lumibird MedicalEmbedded Systems EngineerIndexed profileSLSøren Lund SkeieDenmarkIMO2021Competition recordHonourable mentionSPSören PetersenSwedenIOI2003Competition recordSilver medalSRSorin RădulescuRomaniaIMO1972Competition recordSilver medalSSSorin Stancu-MaraRomaniaIOI2004Competition recordBronze medalIndexed profileSYSoroosh YazdaniCanadaIMO1996University of WaterlooAdjunct ProfessorIndexed profileSTSoroush TaslimiIslamic Republic of IranIMO2017RBCManager, Risk ManagementIndexed profileSVSossin ViktorKazakhstanIMO2005Nazarbayev Intellectual SchoolsSchool PrincipalIndexed profileSTSotirios TzavoulisGreeceIMO2025Competition recordHonourable mentionSASouheib Abdeldjalil AlloutAlgeriaIMO2015Competition recordHonourable mentionSGSoumik GhoshIndiaIMO2014 · 2015Tata Institute of Fundamental Research, MumbaiIndexed profileSASoumil AggarwalIndiaIMO2019Quantbox ResearchQuantitative ResearcherAutumn profileSDSoumitra DasBangladeshIMO2018 · 2019 · 2020Competition recordHonourable mention · Bronze medalIndexed profileSDSourav DasBangladeshIMO2012 · 2013Competition recordBronze medalSPSovanlandy PhengCambodiaIMO2007MetaSenior Software EngineerIndexed profileSGSpandan GhoshIndiaIMO2018QualcommSenior Lead EngineerIndexed profileSHSparik HayrapetyanArmeniaIOI2014Competition recordBronze medalIndexed profileŠŠŠpela ŠpenkoSloveniaIMO2005 · 2006Competition recordHonourable mention · Bronze medalIndexed profileSCSpencer ComptonUnited States of AmericaIOI2018Competition recordGold medalSASpyridon AlexakisGreeceIMO1996Competition recordBronze medalIndexed profile