The list is sorted alphabetically by the country’s English name. We apologise to anyone who might be missing or if we made any typos in this data, and kindly ask them to contact us.
Albania, Durres
Tamerlan Shergazy
Email: tshergazy@turgutozal.edu.al
Albania, Tirana
Adrian Naco
Email: nacosotir@gmail.com
Algeria, Algiers
Chams Eddine Abdelali Derreche & Abdelillah Hammadi
Email: algerianimoteam@gmail.com
Austria, Innsbruck
Gerhard Kirchner
Email: g.kirchner@tsn.at
Austria, Wien
Theresia Eisenkölbl
Email: theresia.eisenkoelbl@univie.ac.at
Azerbaijan, Baku
Ismat Aghayev
Email: ismathaghayev98@gmail.com
Belgium, Antwerp
Stijn Cambie
Email: stijn.cambie@hotmail.com
Bolivia, Tarija
Luis Augusto Ortega Zeballos
Email: equipotecnociencia@gmail.com
Bosnia and Herzegovina, Sarajevo
Harun Alibegović
Naučno društvo “Vladimir Prelog”
Email: harun.alibegovic@gmail.com
Bulgaria, Burgas
Dinko Ivanov Radnev
Email: mathschool_bs@abv.bg
Bulgaria, Sofia
Miroslav Marinov and Petko Lazarov
Emails: m.marinov1617@gmail.com & p.lazarov06@gmail.com
Canada
Kateryna Tretiakova
Email: ktretiak@uottawa.ca
Czechia, Prague
Dominik Rigasz
Email: rigasz.dominik@gmail.com
China
WeiHua Wang (David Wang)
Chinese Mathematical Olympiad magazine
Email: wongdavid11254@gmail.com
Croatia
Mislav Brnetić
Mladi nadareni matematičari “Marin Getaldić”
Email: mislav.brnetic@mnm.hr
Estonia, Tartu
Oleg Košik
Eesti Matemaatika Selts
Email: oleg.koshik@ut.ee
Finland, Järvenpää
Veikko Heikkinen
Email: veikkoheikkinen10@gmail.com
France, Paris
Vincent Jugé
Email: vincent.juge@polytechnique.edu
Georgia, Tbilisi
Giorgi Kekenadze
Email: giorgikekenadze31@gmail.com
Greece, Athens
Orestis Lignos & Kyprianos-Iason Prodromidis
Emails: orelig2006@gmail.com & kyprianos@prodromidis.com
Greece, Thessaloniki
Eleftherios Mastoris
Email: lefterismastoris@gmail.com
India, Bengaluru
Siddhant Jain
Email: jnsid1708@gmail.com
Indonesia, Bogor
Klinik Pendidikan MIPA
Email: prmipa@yahoo.com
Indonesia, Jakarta
Surya Wijaya
Email: suryaming@gmail.com
Ireland, Cork & Dublin
Anca Mustata
Email: a.mustata@ucc.ie
Italy, Pisa
Massimo Gobbino
Email: massimo.gobbino@unipi.it
Kazakhstan, Almaty
Bakyt Mamyshev
Email: mamyshev92@gmail.com
Kosovo, Prishtina
Valmir Krasniqi
Email: valmir@stem-ks.org
Kyrgyzstan, Bishkek & Osh
Makhamadkhan Ishmatov
Email: matematikll@gmail.com
Latvia, Riga
Petr Gabuniia
Email: petr.gabuniya@gmail.com
Lithuania, Vilnius
MO Akademija
Email: moakademija@gmail.com
Moldova, Chisinau
Ivan Borsenco
Email: ivan.borsenco@gmail.com
Mongolia, Ulaanbaatar
Sanjaakhuu Khenzii
Email: sanjaakhuu@sant.school
Morocco, Temara
Mohamed EL Ibbaoui
Moroccan Association of Mathematical Sciences
Email: elibbaoui@gmail.com
Myanmar, Yangon
Phyoe Min Khant
Email: phyoeminkhant99.pmk@gmail.com
North Macedonia, Skopje
Mirko Petrushevski
Email: mirko.petrushevski@gmail.com
Norway, Oslo
Aksel Løvholt
Email: akslovholt@hotmail.com
Pakistan, Lahore
Muhammad Ali
Email: muhammad.ali@sundarstem.edu.pk
Philippines, Manila
Renard Eric Chua
Email: renarderic.chua@gmail.com
Poland (Kraków)
Radosław Żak
Email: zak@maths.ox.ac.uk
Romania, Bucharest
Emre Sertel
Email: emre.sertel@ichb.ro
Romania, Bucharest
Upper.School
Email: contact@upper.school
Romania, Constanta
A. C.
School: ichc.ro
Serbia, Belgrade
Danilo Ranđelović
Email: danilo.ran2@gmail.com
Serbia, Niš
Aleksandar Milošević
Email: acafaca2006@gmail.com
Serbia, Novi Sad
Vukašin Đinović
Email: vukasindjinovic04@gmail.com
Slovakia, Bratislava
Dominik Rigasz
Email: rigasz.dominik@gmail.com
Slovenia, Ljubljana
Društvo matematikov, fizikov in astronomov Slovenije
Email: luka1.horjak@gmail.com
Sri Lanka
Sri Lanka Olympiad Mathematics Foundation
Email: info@slmathsolympiad.org
Sweden, Lund
Kasper Johansson
Ung Vetenskapssport
Email: kasper.johansson@ungvetenskapssport.se
Tunisia, Tunis
Karam Aloui
Email: alouikaram@yahoo.fr
Türkiye
Murat Yoğurtçu
Email: matemura@gmail.com
Turkmenistan, Ashgabat
Gujurly Education Center
Palvan Agamyradov
Email: palvanimo@gmail.com
Ukraine, Kyiv
Vadym Mytrofanov
Email: vadym.mytrofanov@basis.ua
USA, Minnesota, Minnetonka
Math and Science Club
Email: mathscienceclub.mn@gmail.com
USA, New York, New York
Epiphany Manhattan Academy
Email: chris@epiphanynewyork.com
USA, Texas, Austin
Hui Quan
ACES Learning Center
Email: hui.quan@aceslearningcenter.com
Uzbekistan, Tashkent
Utkir Boltaev
Email: uboltayev@gmail.com
Vietnam
Vinh Le
Email: leanhvinh@gmail.com