Anne Tamm has expertise in Second language acquisition, the topic of the Dutch quantitative pronoun ER, and the phenomenon of partitivity in the Uralic languages, such as Hungarian, Finnish, and Estonian. She works as an associate professor in the Department of Dutch of the Károli Gáspár University of the Reformed Church in Hungary. Her dissertation and habilitation thesis and ca. 10 international articles focus on the partitive in Estonian. Estonian is the language that has the highest frequency of morphologically encoded partitives in among the world’s languages. With her knowledge of the concept and syntactic analysis of partitivity, her expertise in Finno-Ugric languages and her interests in the acquisition of partitive Case and the quantitative pronoun ER by second language learners she is a valuable member of the network.