Director of the Latvian Language Institute of the University of Latvia, Senior Researcher, full member of the Latvian Academy of Sciences.
Author of more than 200 publications in history of linguistics, lexicology and lexicography, onomastics, dialectology.
Chair of the Division of Social sciences and Humanities of the Latvian Academy of Sciences (2008–2012), Coordinator of the National research programm Letonics and National Identities (2005–2018). Present member of the editorial board for Acta Baltico-Slavica, Linguistica Lettica et al. Member of the Presidential State Language Commission, Member of the Senate of the Latvian Academy of Sciences.