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Kristin Davidse is professor of English Linguistics at the University of Leuven. She is also an alumna of the University of Sydney, where she was introduced to Hallidayan Functional Linguistics. Halliday supervised her Ph.D. in Linguistics on Categories of Experiential Grammar (1991). Her main research interest is the description of English grammar from a functional perspective. In the area of clause grammar, she has published on such topics as transitive – intransitive versus lexically ergative clauses, as well as middle, existential, copular and ditransitive constructions. In addition, she has dealt with it-and there-clefts and clauses containing fact projection. She has also published on various processes of change such as grammaticalization, deictification and intersubjectification in the English nominal group, as well as on the structure and functions of the nominal group per se. She was one of the founding editors of the journal Functions of Language.