Professor of English Language and Linguistics, KU Eichstätt-Ingolstadt

Professor of English Linguistics, University of Duisburg and Essen, Germany

University of Bonn, Department of English, American and Celtic Studies

Associate Professor, English Language & Linguistics, The University of Texas at Austin

Professor, University of Malaya

Professor für Englische Linguistik, Freie Universität Berlin

Department of Modern Languages, University of Helsinki

University of Bayreuth

Professor of English Linguistics, University of Bamberg

Senior Lecturer, University of Ghana