1. Professor, Department of Language and Literature, Norwegian University of Science and Technology Trondheim Norway
2. Adjunct Professor, Department of Language and Culture, UiT The Arctic University of Norway Tromsø Norway
3. Professor of German and Linguistics, GSLL & Linguistics Program, The Pennsylvania State University, State College Pennsylvania USA
4. Visiting Professor of Linguistics, University of Greenwich, Centre for Research & Enterprise in Language (CREL) London UK