2005-2006: Senior Lecturer in Linguistics, Dept. of Linguistics & English Language, Univ. of Sussex; Prof. of Linguistics, School of Linguistics & English Language, Deputy Head of College (Research), College of Arts and Humanities, Bangor Univ.; Fachgebiet: Sprachwissenschaft; 2001-2005: Lecturer in Linguistics, Dept. of Linguistics & English Language, Univ. of Sussex; 2006-2008: Prof. of Cognitive Linguistics, School of Language, Literature and Communication, Univ. of Brighton