Research interests
Theoretical linguistics
Experimental linguistics
Syntax, semantics and pragmatics
Interface between semantics and pragmatics
Text structure
Sign languages
Deaf studies
Gesture and language
Linguistics and literature
Grammaticalization
Language Documentation
Linguistics at school
Ad hoc Reviewer
Foundations: Deutscher Akademischer Austausch Dienst (DAAD), Deutsche Forschungsgemeinschaft (DFG), German-Israeli Foundation for Scientific Research and Development (GIF), Humanities in the European Research Area (HERA), MacArthur Foundation, Niederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO), Österreichischer Wissenschaftsfond (FWF), Sächsische Akademie der Wissenschaften zu Leipzig, Schweizerischer Nationalfonds zur Förderung der wissenschaftlichen Forschung (SNF).
Journals: The Journal of Comparative Germanic Linguistics, The Journal of Computer-Mediated Communication, Lingua, Linguistic Inquiry, Linguistic Typology, Linguistics and Philosophy, Linguistische Berichte, Natural Language and Linguistic Theory, Semantics and Pragmatics, Sign Language & Linguistics, Theoretical Linguistics, Zeitschrift für Sprachwissenschaft.
Conferences: Amsterdam Colloquium, Formal and Experimental Advances in Sign Language Theory (FEAST), Generative Linguistics in the Old World (GLOW), Jahrestagung der Deutschen Gesellschaft für Sprachwissenschaft (DGfS) 2012 (Vorsitzender des Programmausschusses), Semantics and Linguistic Theory (SALT), Sinn und Bedeutung (SuB), The Israel Association of Theoretical Linguistics (IATL), Theoretical Issues in Sign Language Research (TISLR), Workshop on Comparative Germanic Syntax (CGSW).