Professor in Language and Linguistics Sanata Dharma University, Yogyakarta, Indonesia

Reader in Pragmatics and Communication, Manchester Metropolitan University, UK

Universitas PGRI Sumatera Barat

National and Kapodistrian University of Athens

Applied Linguistics/TEFL/TESL/Education

Doktor Linguistik, Universitas Andalas

Associate Professor of Applied Linguistics, Kharazmi University

Uppsala University

Associate Professor, Faculty of Foreign Language Studies, Kansai University

University of Andalas