- Language variation and change in English and beyond
- Sociolinguistics (historical and contemporary)
- English dialectology
- Contact linguistics
- Varieties of English around the world, better- and lesser-known.
Academic career: Milestones
2006- Professor and Chair for English Linguistics. Department of English, UZH, Switzerland (2006-2012 Associate Prof., 2012- Full Prof.)
Head of the English Dept. (2009-2013, 2017- )
Member of the Faculty's Research Committee (2007-) and Laufbahn Committee (2017-)
Member of the Swiss National Science Foundation (Ambizione program; 2008-2019)
2018: Erskine Fellow, University of Canterbury, Christchurch, New Zealand
2002/3: Royal Society of New Zealand Marsden Postdoctoral Fellow
Author of 5 books, (Co-)Editor of of 10 books, 75 articles published (25 in leading international journals with peer review, e.g. Language and Society, American Speech, Diachronica, Language Variation and Change, Corpus Linguistics and Linguistic Theory, Journal of Sociolinguistics, English World-Wide)
Co-Editor of English World-Wide: A Journal of Varieties of English, Amsterdam and Philadelphia: Benjamins. 2013-2019.
Editorial boards: English World-Wide: A Journal of Varieties of English, Advances in Historical Sociolinguistics, Atlantis (Journal of the Spanish Association of Anglo-American Studies)