All medalists.
IMO & IOI, including honourable mentions.
RFRafael Filipe Dos SantosBrazilIMO2015Competition recordBronze medalRGRafael GuédezVenezuelaIMO2006KTH Royal Institute of TechnologyAssociate ProfessorIndexed profileRGRafael Guillermo Arias MichelParaguayIMO2007codeCrafters PY S.A.Software DeveloperIndexed profileRHRafaël HoukesNetherlandsIMO2020Leiden UniversityStudent Teaching AssistantIndexed profileRKRafael Kazuhiro MiyazakiBrazilIMO2012 · 2013Emory University Laney Graduate SchoolMathematics PhD StudentIndexed profile
Rafael Kristoforus YantoIndonesiaIMO2022 · 2023Beavo Investment Pte. Ltd.Quantitative Developer InternAutumn profileRMRafael MantillaColombiaIOI2008 · 2009 · 2010 · 2011Competition recordBronze medal · Silver medalRMRafael Marini SilvaBrazilIMO2004Greater Paris University Hospitals - AP-HPData ScientistIndexed profileRMRafael Martim Tavares InácioPortugalIMO2022 · 2023Competition recordHonourable mention · Bronze medalRMRafael Mendes de OliveiraBrazilIMO2006Competition recordBronze medal
Rafael Nascimento SoaresBrazilIOI2022 · 2023Jane StreetSoftware Engineer InternAutumn profileRPRafael Pedrosa MartinezCubaIMO1978Competition recordBronze medalRRRafael RafailovBulgariaIMO2011 · 2012Thinking Machines LabMember of Technical StaffIndexed profileRSRafael Sampaio de RezendeBrazilIMO2007Competition recordBronze medalRSRafael SanchezPeruIMO2000Competition recordHonourable mentionAutumn profileRSRafael SarkisyanUnion of Soviet Socialist RepublicsIMO1963Financial UniversityпрофессорIndexed profileRSRafael Soares MarquesPortugalIMO2024 · 2025 · 2026Competition recordHonourable mention · Bronze medalRTRafael Teixeira PaulinoBrazilIOI2002Competition recordBronze medalRTRafael Tupynambá DutraBrazilIMO2007 · 2008University of California, BerkeleyGraduate Student ResearcherIndexed profileRHRafah Hajjar MuñozSpainIMO2017Columbia UniversityIndexed profileRPRafail PsyroukisGreeceIMO2017Competition recordBronze medalIndexed profileRTRafail TsiamisGreeceIMO2016 · 2017 · 2018Competition recordBronze medal · Silver medal · Honourable mentionRBRafał BogaczPolandIOI1990 · 1992University of OxfordProfessor of Computational NeuroscienceIndexed profileRLRafał LatałaPolandIMO1988 · 1989Competition recordHonourable mention · Silver medal
Rafał ŁochowskiPolandIMO1995Warsaw School of Economics (SGH)Associate ProfessorAutumn profileRMRafał MańczykPolandIOI2023 · 2024HuaweiJunior Algorithm EngineerIndexed profileRBRaffaele BotticellaItalyIMO2024Competition recordSilver medalRGRafiga GambarovaAzerbaijanIMO2025Competition recordHonourable mentionRMRagna María SverrisdóttirIcelandIMO2024Competition recordHonourable mentionIndexed profileRGRagnar Groot KoerkampNetherlandsIMO2011 · 2013Karlsruhe Institute of Technology (KIT)Postdoctoral ResearcherIndexed profileRGRagnheiður GuðbrandsdóttirIcelandIMO2010AlvotechScientistIndexed profileRARahman AgamyradovTurkmenistanIMO2017Competition recordHonourable mentionIndexed profileRARahul AryaHong Kong, ChinaIOI2018Competition recordSilver medalRGRahul GopeesinghTrinidad and TobagoIMO2021University of Toronto Business AssociationMarketing ExecutiveIndexed profileRSRahul SahaBangladeshIMO2017 · 2018Competition recordBronze medal · Honourable mentionRARahym AgamyradovTurkmenistanIMO2023Competition recordHonourable mentionRRRaif RustamovAzerbaijanIMO1995AmazonPrincipal Applied Scientist, Prime VideoIndexed profileRSRaihane SidhoumAlgeriaIMO2019MercorMath Expert - ContractorIndexed profile
Raimondo EgginkNetherlandsIMO1990Skarbiec Holding S.A.Member of the Supervisory BoardAutumn profileRHRainer HoftSouth AfricaIMO1998Competition recordBronze medalIndexed profileRHRainer HoftSouth AfricaIOI1999Competition recordBronze medalIndexed profileRSRainer Siegmund-SchultzeGerman Democratic RepublicIMO1972KeineFirmaKeineIndexed profileRJRain JiangUnited States of AmericaIOI2021 · 2022 · 2023 · 2024 · 2025Competition recordGold medal · Silver medalRJRaiyan JamilBangladeshIMO2020AdentroIndexed profileRARaiymbek AkshulakovKazakhstanIMO2016CEREBRAMachine Learning EngineerIndexed profileRBRaiymbek BaishuakKazakhstanIMO2023Competition recordSilver medalIndexed profileRMRaja MukherjiIrelandIMO1998 · 1999ServiceNowPrincipal Applied AI Forward Deployed EngineerIndexed profileRORaja Oktovin Parhasian DamanikIndonesiaIMO2009 · 2010The Australian National UniversityPHD CandidateIndexed profileRBRajarshi BasuIndiaIOI2019 · 2020Competition recordBronze medal · Silver medalRDRajat DeIndiaIOI2016Competition recordSilver medalIndexed profileRURajawasala Ukattage Don Janith Dulmina RajawasalaSri LankaIMO2026Competition recordHonourable mentionRVRajeev Vivek Dasrath GopeesinghTrinidad and TobagoIMO2019Competition recordHonourable mentionIndexed profileRHRajini HaraksinghTrinidad and TobagoIMO2000 · 2001The University of the West IndiesLecturer in BiotechnologyIndexed profileRNRajko NenadovSerbia and MontenegroIOI2006The University of AucklandLecturerIndexed profileRBRakhim BaimurzinKazakhstanIMO2021Competition recordBronze medalRARakhman AsmatullayevKazakhstanIMO2018Laminar (YC S24)Backend EngineerIndexed profileRHRalf HortigGerman Democratic RepublicIMO1982Competition recordGold medalRJRalf Joosep KaskEstoniaIMO2020 · 2021 · 2022FameworkProducerIndexed profileRKRalf KistnerSouth AfricaIOI2006 · 2007JourneyAppsCo-Founder and CTOIndexed profileRKRalf KistnerSouth AfricaIMO2005 · 2006JourneyAppsCo-Founder and CTOIndexed profile
Rafael Kristoforus YantoIndonesiaIMO2022 · 2023Beavo Investment Pte. Ltd.Quantitative Developer InternAutumn profileRMRafael MantillaColombiaIOI2008 · 2009 · 2010 · 2011Competition recordBronze medal · Silver medalRMRafael Marini SilvaBrazilIMO2004Greater Paris University Hospitals - AP-HPData ScientistIndexed profileRMRafael Martim Tavares InácioPortugalIMO2022 · 2023Competition recordHonourable mention · Bronze medalRMRafael Mendes de OliveiraBrazilIMO2006Competition recordBronze medalRafael Nascimento SoaresBrazilIOI2022 · 2023Jane StreetSoftware Engineer InternAutumn profileRPRafael Pedrosa MartinezCubaIMO1978Competition recordBronze medalRRRafael RafailovBulgariaIMO2011 · 2012Thinking Machines LabMember of Technical StaffIndexed profileRSRafael Sampaio de RezendeBrazilIMO2007Competition recordBronze medalRSRafael SanchezPeruIMO2000Competition recordHonourable mentionAutumn profileRSRafael SarkisyanUnion of Soviet Socialist RepublicsIMO1963Financial UniversityпрофессорIndexed profileRSRafael Soares MarquesPortugalIMO2024 · 2025 · 2026Competition recordHonourable mention · Bronze medalRTRafael Teixeira PaulinoBrazilIOI2002Competition recordBronze medalRTRafael Tupynambá DutraBrazilIMO2007 · 2008University of California, BerkeleyGraduate Student ResearcherIndexed profileRHRafah Hajjar MuñozSpainIMO2017Columbia UniversityIndexed profileRPRafail PsyroukisGreeceIMO2017Competition recordBronze medalIndexed profileRTRafail TsiamisGreeceIMO2016 · 2017 · 2018Competition recordBronze medal · Silver medal · Honourable mentionRBRafał BogaczPolandIOI1990 · 1992University of OxfordProfessor of Computational NeuroscienceIndexed profileRLRafał LatałaPolandIMO1988 · 1989Competition recordHonourable mention · Silver medalRafał ŁochowskiPolandIMO1995Warsaw School of Economics (SGH)Associate ProfessorAutumn profileRMRafał MańczykPolandIOI2023 · 2024HuaweiJunior Algorithm EngineerIndexed profileRBRaffaele BotticellaItalyIMO2024Competition recordSilver medalRGRafiga GambarovaAzerbaijanIMO2025Competition recordHonourable mentionRMRagna María SverrisdóttirIcelandIMO2024Competition recordHonourable mentionIndexed profileRGRagnar Groot KoerkampNetherlandsIMO2011 · 2013Karlsruhe Institute of Technology (KIT)Postdoctoral ResearcherIndexed profileRGRagnheiður GuðbrandsdóttirIcelandIMO2010AlvotechScientistIndexed profileRARahman AgamyradovTurkmenistanIMO2017Competition recordHonourable mentionIndexed profileRARahul AryaHong Kong, ChinaIOI2018Competition recordSilver medalRGRahul GopeesinghTrinidad and TobagoIMO2021University of Toronto Business AssociationMarketing ExecutiveIndexed profileRSRahul SahaBangladeshIMO2017 · 2018Competition recordBronze medal · Honourable mentionRARahym AgamyradovTurkmenistanIMO2023Competition recordHonourable mentionRRRaif RustamovAzerbaijanIMO1995AmazonPrincipal Applied Scientist, Prime VideoIndexed profileRSRaihane SidhoumAlgeriaIMO2019MercorMath Expert - ContractorIndexed profileRaimondo EgginkNetherlandsIMO1990Skarbiec Holding S.A.Member of the Supervisory BoardAutumn profileRHRainer HoftSouth AfricaIMO1998Competition recordBronze medalIndexed profileRHRainer HoftSouth AfricaIOI1999Competition recordBronze medalIndexed profileRSRainer Siegmund-SchultzeGerman Democratic RepublicIMO1972KeineFirmaKeineIndexed profileRJRain JiangUnited States of AmericaIOI2021 · 2022 · 2023 · 2024 · 2025Competition recordGold medal · Silver medalRJRaiyan JamilBangladeshIMO2020AdentroIndexed profileRARaiymbek AkshulakovKazakhstanIMO2016CEREBRAMachine Learning EngineerIndexed profileRBRaiymbek BaishuakKazakhstanIMO2023Competition recordSilver medalIndexed profileRMRaja MukherjiIrelandIMO1998 · 1999ServiceNowPrincipal Applied AI Forward Deployed EngineerIndexed profileRORaja Oktovin Parhasian DamanikIndonesiaIMO2009 · 2010The Australian National UniversityPHD CandidateIndexed profileRBRajarshi BasuIndiaIOI2019 · 2020Competition recordBronze medal · Silver medalRDRajat DeIndiaIOI2016Competition recordSilver medalIndexed profileRURajawasala Ukattage Don Janith Dulmina RajawasalaSri LankaIMO2026Competition recordHonourable mentionRVRajeev Vivek Dasrath GopeesinghTrinidad and TobagoIMO2019Competition recordHonourable mentionIndexed profileRHRajini HaraksinghTrinidad and TobagoIMO2000 · 2001The University of the West IndiesLecturer in BiotechnologyIndexed profileRNRajko NenadovSerbia and MontenegroIOI2006The University of AucklandLecturerIndexed profileRBRakhim BaimurzinKazakhstanIMO2021Competition recordBronze medalRARakhman AsmatullayevKazakhstanIMO2018Laminar (YC S24)Backend EngineerIndexed profileRHRalf HortigGerman Democratic RepublicIMO1982Competition recordGold medalRJRalf Joosep KaskEstoniaIMO2020 · 2021 · 2022FameworkProducerIndexed profileRKRalf KistnerSouth AfricaIOI2006 · 2007JourneyAppsCo-Founder and CTOIndexed profileRKRalf KistnerSouth AfricaIMO2005 · 2006JourneyAppsCo-Founder and CTOIndexed profile