Professor of English Language and Linguistics, Lancaster University

Associate Professor of English & Head, Periyar EVR College (Bharathidasan University)

Professor of English Linguistics, LMU Munich

Southern Methodist University

Linguistics Section, University of Cape Town

Assistant Professor

Uzbekistan State World Languages University

Professor of English Linguistics, University of Freiburg

English Department, University of Freiburg (Germany)

Professor of English, Chancellos Club Teaching Professor, University of Kansas