Stanislav is the founder and permanent head organizer of both summer schools, co-chair of the Board and a member of Problem Committee of the International Linguistics Olympiad.
Courses: bilingualism, language politics, Romance languages

Tatiana is a senior linguist in Google, London.
Courses: Introduction to Computational Linguistics and Dialogue Agents

Michał is a lecturer at the Mathematical Institute of the University of Wrocław, Chair of the OC of the National Linguistics Olympiad in Poland since its launch in 2004
Courses: Polish Language, Statistics

Valeria is a student at Gdańsk University of Technology (Politechnika Gdańska).
Courses: workshop on solving linguistic problems

Ksenia is a Professor of Uralic Studies at the Ludwig Maximilian University of Munich and a visiting researcher at the University of Helsinki.
Courses: Linguistic typology, Uralic languages, Linguistic fieldwork

Boris is a linguist (Russian Language Institute, Yandex Israel) specialising in lexical semantics and dictionaries and teaching linguistics to children and adults, member of Problem Committee and Jury of the International Linguistics Olympiad since its launch in 2003.
Courses: semantics, language change, history of alphabets

Nikolay is a linguist originating from Moscow and a passionate lover of Narva-Jõesuu. He specializes in discourse analysis, spoken language and multichannel communication. Courses: transcribing spoken discourse, linguistic theory through tv sketches

Bruno is a Brazilian teacher, researcher and activist, sharing with the participants of the schools a broad range of interests. He is one of the founders of the Brazilian Linguistics Olympiad, and since 2012 a member of Problem Committee and Jury of the International Linguistics Olympiad.
Courses: Portuguese, Guarani, Brazilian Sign Language, language politics

Alexander is a postdoc at the University of Erlangen–Nuremberg specializing in corpus linguistics. Member of Problem Committee and Jury of the International Linguistics Olympiad since 2007.
Courses: corpus linguistics, Germanic languages

Polina is a linguist, a PhD student in the University of Tartu, Estonia.
Courses: Estonian language, Typology of Finnic languages

Anna is a student of Comenius University in Bratislava. She was a participant in 2023 having with great success converted into a lecturer that very year.
Courses: workshop on solving linguistic problems, regular evening classes in historical dances

Alexandre is a researcher at the Universität Hamburg, Germany. He is specializing in phonetics, language documentation, corpus linguistics and grammatical typology.
Courses: speech acoustics, Basque language

Niyaz is a student at École normale supérieure — PSL, member of the Slavic Linguistics Society and Charles E. Townsend Memorial Award winner.
Courses: etymology, Turkic languages

Artem is a student in the University of Bristol. He was the absolute winner of the XIX International Linguistics Olympiad in 2022.
Courses: workshop on solving linguistic problems

Maria is PhD, Researcher in the University of Helsinki. As a linguist, she's mostly interested in tone and language variation in multilingual communities, while also studying how language is used in popular and classical songs. She has been doing research in Guinea (West Africa) since 2008. In her free time, Maria dances tango, practices acro-yoga, composes music and performs as a singer.
Courses: tonal morphology, global languages, multilingualism in popular music

Vlad is a member of the Asia-Pacific Linguistics Olympiad International Jury, which he chaired in 2022, 2023, and 2025. He is a Board member of the APLO and IOL. He was also involved in various roles in different national linguistics olympiads (Hong Kong, Romania, Republic of Moldova, United Kingdom, Philippines, Singapore, China, Brazil).
Courses: Romanian language, workshop on solving individual and group linguistics problems for IOL participants

Yulia is a student at the University of Turin, studying computational linguistics and digital humanities. Previously, she was doing research on language acquisition at the University of Potsdam. At the IOL, she was a silver medalist in 2016 and a team-leader for Russia in 2019-2021.
Courses: experimental linguistics, workshop on solving linguistic problems

Maria is a linguist specializing in historical linguistics, Indo-European studies, and Hittitology. Formerly affiliated with the Institute of Linguistics of the Russian Academy of Sciences in Moscow; since 2022, serving as a postdoctoral researcher in the Department of Ancient Near Eastern Cultures at Tel Aviv University. Maria's research interests include the reconstruction of Proto-Indo-European, the syntax of the Hittite language, the poetics of Hittite epic tradition, as well as corpus linguistics.
Courses: Hittitology, Anatolian languages

Filipp studies Sinology in the University of Vienna. He was a participant in 2024 after which was incited to join the lecturers' team.
Courses: Introduction to Serbocroatian

Fedor is an Associate Professor of Finno-Ugric Languages at the University of Tartu. Courses: Votic and Ingrian: minor Finnic languages of Ingria, audio recording in fieldwork, morphophonology of Ingrian