Tatiana Kachkovskaia (PhD in Language Theory, Saint Petersburg State University, 2015; Docent in Phonetics, University of Helsinki, 2026) is a post-doctoral researcher within the Human Diversity consortium. She had previously worked as a researcher at the Helsinki Collegium for Advanced Studies (2024-2025) and as a part-time lecturer at the Department of Digital Humanities, Univeristy of Helsinki (2023-2024). In the preceding years, she had worked at the Department of Phonetics at Saint Petersburg State University (2012-2022, junior researcher to Associate Professor), where she participated in and led a number of research projects mainly dealing with variation in spoken language. A significant portion of Tatiana's research was devoted to describing the phonetics of Russian; another important area was L1-L2 interaction in intonation. In 2019-2025 Tatiana's main research topic was communication accommodation in collaborative dialogues and interlocutor-induced variation in speech.