AutumnOLYMPIADCOLLECTION
All medalists.
IMO & IOI, including honourable mentions.
3421–3480 of 10,506 matching profiles
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Grigorij PerelmanUnion of Soviet Socialist RepublicsIMO1982Steklov Institute of Mathematics, St. Petersburg (resigned 2005)Mathematician (withdrawn from professional mathematics since 2006)Autumn profile
Grigori MargulisUnion of Soviet Socialist RepublicsIMO1962Yale UniversityErastus L. DeForest Professor of Mathematics (Emeritus)Autumn profileGRGrigoriy RosenblumUnion of Soviet Socialist RepublicsIMO1966Competition recordGold medalGKGrigor KeropyanArmeniaIMO2014 · 2015Competition recordHonourable mention · Bronze medalGAGriua ArsuRomaniaIMO1975Competition recordBronze medalGAGrzegorz AndrzejczakPolandIMO1972 · 1973Competition recordGold medal · Silver medalGBGrzegorz BobińskiPolandIMO1994Competition recordGold medalGDGrzegorz DłużewskiPolandIMO2016Competition recordHonourable mentionGKGrzegorz KapustkaPolandIMO1997Competition recordSilver medalGŁGrzegorz ŁabędzkiPolandIMO1987 · 1988Competition recordBronze medal · Honourable mentionGZGrzegorz ZwaraPolandIMO1988 · 1989 · 1990 · 1991Competition recordSilver medalGHGuan Han LiNew ZealandIMO2026Competition recordSilver medalGFGuðbjörn Freyr JónssonIcelandIMO1988 · 1989Competition recordBronze medal · Honourable mentionGRGuðmundur Reynir GunnarssonIcelandIMO2006 · 2007 · 2008Competition recordHonourable mention · Bronze medalGHGudrun HametnerAustriaIMO1988 · 1989Competition recordBronze medal · Silver medalGAGueorgui AnguelovBulgariaIMO1997Competition recordSilver medalGMGuevara Manuel Ángel Guevara LópezMexicoIMO2005 · 2006Competition recordBronze medalGJGuido Jorge Castro OdioCubaIMO1990Global PC Desarrolladores InformáticosManaging Director, Global PC Desarrolladores Informáticos; Associate ProfessorAutumn profileGLGuido LidoItalyIMO2011Competition recordSilver medal
Guido van RossumNetherlandsIMO1974MicrosoftRetiredAutumn profileGDGuilherme Duarte CabralPortugalIMO2026Competition recordHonourable mentionGIGuilherme Issao Camarinha FujiwaraBrazilIMO2002Competition recordBronze medalGPGuilherme Phillipe FigueiredoBrazilIMO2007Competition recordHonourable mentionGRGuilherme Rodrigues Nogueira de SouzaBrazilIMO2005 · 2006Competition recordHonourable mention · Bronze medalGZGuilherme Zeus Dantas e MouraBrazilIMO2019 · 2020Competition recordBronze medal · Silver medalGBGuillaume BrunerieFranceIMO2007Competition recordBronze medal
Guillaume TexierFranceIMO1991RexelChief Executive OfficerAutumn profileGVGuillaume VigeralFranceIMO1998Competition recordBronze medalGBGuillem Beltran CerezuelaSpainIMO2023Competition recordBronze medalGGGuillermo Guerrero SerranoSpainIMO2026Competition recordHonourable mentionGGGunnar Guannan PengSwedenIMO2005 · 2006 · 2007 · 2008Competition recordHonourable mention · Bronze medal · Silver medalGRGunnar RyneforsSwedenIMO1968Competition recordBronze medalGKGuntars KitenbergsLatviaIMO2005Competition recordHonourable mentionGDGunter DögeGerman Democratic RepublicIMO1986 · 1987Competition recordBronze medal · Silver medalGKGünter KleindlAustriaIMO1974Competition recordBronze medalGMGünter M. ZieglerGermanyIMO1981Competition recordGold medalGPGünter PollakAustriaIMO1981Competition recordGold medalGSGünter SchwarzbauerAustriaIMO1988Competition recordSilver medalGRGünther RotheAustriaIMO1978Competition recordSilver medalGVGunther VogelGermanyIMO1994 · 1995 · 1996Competition recordBronze medal · Gold medalGSGuntur SinardiIndonesiaIMO2003Competition recordHonourable mentionGWGuoheng WeiChinaIMO1988Competition recordSilver medalGLGuolong LiBelgiumIMO2005 · 2006 · 2007Competition recordSilver medal · Honourable mention · Bronze medalGZGuowen ZhangAustraliaIMO2017 · 2018Competition recordSilver medal · Gold medalGMGuram MatcharashviliGeorgiaIMO2022 · 2023Competition recordHonourable mention · Bronze medalGSGurraj SanghaCanadaIMO1988Competition recordHonourable mentionGRGuruge Ruvini AudaryaSri LankaIMO2010Competition recordHonourable mentionGPGustas PranckietisLithuaniaIMO2022Competition recordHonourable mentionGBGustav Bille GørtzDenmarkIMO2025Competition recordHonourable mentionGCGustavo CruzBrazilIMO2021Competition recordBronze medalGEGustavo Ernesto MassaccesiArgentinaIMO1991Competition recordBronze medalGLGustavo Lisbôa EmpinottiBrazilIMO2010 · 2011Competition recordBronze medalGSGustavo Santiago ReyesPuerto RicoIMO2017Competition recordHonourable mentionGGGustavs GritānsLatviaIMO2026Competition recordHonourable mentionGBGuus BerkelmansNetherlandsIMO2010 · 2012Competition recordBronze medalGAGuy Alexander HerzmarkUnited KingdomIMO1973Competition recordBronze medalGMGuy MayrazIsraelIMO1990Competition recordBronze medalGOGuy OstfeldIsraelIMO2022Competition recordBronze medalGRGuy RavehIsraelIMO2011Competition recordBronze medalGLGvozden LapčevićSerbiaIMO2022 · 2023 · 2024Competition recordSilver medal · Honourable mention