All medalists.
IMO & IOI, including honourable mentions.
SCSin-man ChoiHong Kong, ChinaIOI2005UCL Computer ScienceIndexed profileSDSinnou DavidFranceIMO1981Competition recordBronze medalSKSino KhayridinovTajikistanIMO2020Competition recordHonourable mentionIndexed profileSSSin Song KimDemocratic People's Republic of KoreaIMO2019Competition recordGold medalSKSio Kuan HoiMacauIMO2011 · 2012Competition recordHonourable mentionSHSipke-Jan HiemstraNetherlandsIMO1977Competition recordBronze medalSKSiraphop KhawpladThailandIMO2024 · 2025Competition recordSilver medalSSSira SriswasdiThailandIMO2002 · 2003Chulalongkorn UniversityLecturerIndexed profileSHSiravit HengsuvanichThailandIMO2024Competition recordHonourable mentionIndexed profileSPSirawit PipittanabanThailandIMO2022 · 2023Competition recordSilver medal · Honourable mentionIndexed profileSPSirawit PongnakintrThailandIOI2019 · 2020The Institute for the Promotion of Teaching Science and Technology, Ministry of EducationTeaching AssistantIndexed profileSDSirio DafaAlbaniaIMO2022 · 2023 · 2024Competition recordHonourable mention · Bronze medalSASiripong AtipanThailandIMO1990Competition recordHonourable mentionSSSirote SookpremThailandIMO1990 · 1991Competition recordBronze medal · Silver medalSASithija Abhishek KotuwewattaSri LankaIMO2019 · 2020 · 2023Competition recordHonourable mentionIndexed profileSASithija Abhishek KotuwewattaSri LankaIOI2023Competition recordBronze medalIndexed profileSHSiu Hang ManHong KongIMO2013Automated Systems (H.K.) LimitedIndexed profileSLSiu Lung David LawHong KongIMO1996HKF TRADE FAIRSEngineerIndexed profileSLSiu Lung TamHong Kong, ChinaIOI2000Competition recordBronze medalIndexed profileSCSiu-On ChanHong Kong, ChinaIOI2002Competition recordBronze medalSTSiu Taur PangSingaporeIMO1992 · 1993Competition recordBronze medalIndexed profileSSSivakorn SanguanmooThailandIMO2014 · 2015 · 2016Competition recordSilver medal
Sivert BocianowskiNorwayIMO2008 · 2009BearingPointManager - Data Science & AIAutumn profileSFSiwakorn FuangkawinsombutThailandIMO2017 · 2018ByteDanceSoftware EngineerIndexed profileSWSi Wei HowMalaysiaIOI2014Competition recordBronze medalIndexed profileSKSiwoo KimJapanIMO2024Competition recordGold medalSLSiyang LinMacauIMO2022Competition recordHonourable mentionSHSiyong HuangUnited States of AmericaIOI2021PikaResearch Engineer InternAutumn profile
Si Young OhRepublic of KoreaIOI2007SnowflakeStaff Software EngineerAutumn profileSCSiyuan ChengChinaIOI2023Competition recordGold medalSLSiyuan LuChileIMO2022 · 2023Competition recordHonourable mention
Si Yu HowMalaysiaIOI2013Gambit ResearchSenior Quantitative ResearcherAutumn profileSFSizhe FanChinaIOI2025Competition recordGold medalSPSizhe PanAustraliaIMO2022 · 2023Australian Maths TrustMentor and MarkerIndexed profileSBSjoerd BoersmaNetherlandsIMO2005Competition recordHonourable mentionSUSkomantas UrbonasNorwayIMO2025 · 2026Competition recordHonourable mention · Bronze medalSBSlavko BrdarBosnia and HerzegovinaIMO2002European Centre for Medium-Range Weather Forecasts - ECMWFComputational ScientistIndexed profileSJSlim JemalTunisiaIMO1992Global Audit & Management AdvisoryPartnerIndexed profileSPSlobodan PopovićYugoslaviaIMO1967Competition recordBronze medalSMS M A NahianBangladeshIMO2022 · 2023 · 2024MIT Computer Science and Artificial Intelligence Laboratory (CSAIL)Undergraduate Research AssistantIndexed profileSGSmbat GogyanArmeniaIMO1998Competition recordSilver medalIndexed profileSMS M Nayeemul IslamBangladeshIMO2015 · 2016 · 2017Competition recordHonourable mentionSDSnezana DomazetovskaNorth MacedoniaIMO2004Competition recordHonourable mentionSASobhan AramIslamic Republic of IranIMO2023Competition recordSilver medalIndexed profileSBSobirdzhon BobievTajikistanIMO2014 · 2015Competition recordHonourable mentionSSSobit SobirovUzbekistanIMO2004Competition recordHonourable mentionSSSodarith SengCambodiaIMO2010Institute of Technology of CambodiaLecturer in MathematicsIndexed profile
Soe Lin HtetMyanmarIMO2024Massachusetts Institute of TechnologyUndergraduate ResearcherAutumn profileSTSoe Thway KoMyanmarIMO2023 · 2024Competition recordHonourable mentionSASofia Albizu Campos RodríguezCubaIMO2019University of HavanaProfesor instructorIndexed profileSMSofia M. LindqvistNorwayIMO2011 · 2012Competition recordHonourable mentionSRSofía Rojas CorderoCosta RicaIMO2026Competition recordHonourable mentionSTSofía TaylorVenezuelaIMO2006 · 2007 · 2008UpstartAnalytics EngineerIndexed profileSDSofiia DubovaUkraineIMO2014 · 2015Competition recordBronze medal · Silver medalSMSofiia MelnykUkraineIOI2018 · 2019 · 2020SingleStoreSoftware EngineerIndexed profileSZSofoklis ZambirinisCyprusIMO2001 · 2004Competition recordHonourable mention · Bronze medalSMSogo MurakamiJapanIMO2016Competition recordSilver medalSMSoham MazumdarIndiaIMO1998WisdomAICo Founder and CEOIndexed profileSESoheil Ehsani BanaftiIranIOI2009Snap Inc.Senior Software EngineerIndexed profileSMSoheil MohammadkhaniIranIOI2023Competition recordSilver medalIndexed profile
Sivert BocianowskiNorwayIMO2008 · 2009BearingPointManager - Data Science & AIAutumn profileSFSiwakorn FuangkawinsombutThailandIMO2017 · 2018ByteDanceSoftware EngineerIndexed profileSWSi Wei HowMalaysiaIOI2014Competition recordBronze medalIndexed profileSKSiwoo KimJapanIMO2024Competition recordGold medalSLSiyang LinMacauIMO2022Competition recordHonourable mentionSHSiyong HuangUnited States of AmericaIOI2021PikaResearch Engineer InternAutumn profileSi Young OhRepublic of KoreaIOI2007SnowflakeStaff Software EngineerAutumn profileSCSiyuan ChengChinaIOI2023Competition recordGold medalSLSiyuan LuChileIMO2022 · 2023Competition recordHonourable mentionSi Yu HowMalaysiaIOI2013Gambit ResearchSenior Quantitative ResearcherAutumn profileSFSizhe FanChinaIOI2025Competition recordGold medalSPSizhe PanAustraliaIMO2022 · 2023Australian Maths TrustMentor and MarkerIndexed profileSBSjoerd BoersmaNetherlandsIMO2005Competition recordHonourable mentionSUSkomantas UrbonasNorwayIMO2025 · 2026Competition recordHonourable mention · Bronze medalSBSlavko BrdarBosnia and HerzegovinaIMO2002European Centre for Medium-Range Weather Forecasts - ECMWFComputational ScientistIndexed profileSJSlim JemalTunisiaIMO1992Global Audit & Management AdvisoryPartnerIndexed profileSPSlobodan PopovićYugoslaviaIMO1967Competition recordBronze medalSMS M A NahianBangladeshIMO2022 · 2023 · 2024MIT Computer Science and Artificial Intelligence Laboratory (CSAIL)Undergraduate Research AssistantIndexed profileSGSmbat GogyanArmeniaIMO1998Competition recordSilver medalIndexed profileSMS M Nayeemul IslamBangladeshIMO2015 · 2016 · 2017Competition recordHonourable mentionSDSnezana DomazetovskaNorth MacedoniaIMO2004Competition recordHonourable mentionSASobhan AramIslamic Republic of IranIMO2023Competition recordSilver medalIndexed profileSBSobirdzhon BobievTajikistanIMO2014 · 2015Competition recordHonourable mentionSSSobit SobirovUzbekistanIMO2004Competition recordHonourable mentionSSSodarith SengCambodiaIMO2010Institute of Technology of CambodiaLecturer in MathematicsIndexed profileSoe Lin HtetMyanmarIMO2024Massachusetts Institute of TechnologyUndergraduate ResearcherAutumn profileSTSoe Thway KoMyanmarIMO2023 · 2024Competition recordHonourable mentionSASofia Albizu Campos RodríguezCubaIMO2019University of HavanaProfesor instructorIndexed profileSMSofia M. LindqvistNorwayIMO2011 · 2012Competition recordHonourable mentionSRSofía Rojas CorderoCosta RicaIMO2026Competition recordHonourable mentionSTSofía TaylorVenezuelaIMO2006 · 2007 · 2008UpstartAnalytics EngineerIndexed profileSDSofiia DubovaUkraineIMO2014 · 2015Competition recordBronze medal · Silver medalSMSofiia MelnykUkraineIOI2018 · 2019 · 2020SingleStoreSoftware EngineerIndexed profileSZSofoklis ZambirinisCyprusIMO2001 · 2004Competition recordHonourable mention · Bronze medalSMSogo MurakamiJapanIMO2016Competition recordSilver medalSMSoham MazumdarIndiaIMO1998WisdomAICo Founder and CEOIndexed profileSESoheil Ehsani BanaftiIranIOI2009Snap Inc.Senior Software EngineerIndexed profileSMSoheil MohammadkhaniIranIOI2023Competition recordSilver medalIndexed profile