2017 - present
Co-Director of Center for Australian Studies, Cologne (CAS)
2017 - present
Director of Language Lab, University of Cologne
2006 - present
Full Professor, Linguistics, Chair of Applied Linguistics, English Department I, University of Cologne
2009 - 2011
President of the Society for Pidgin and Creole Linguistics
2009 - 2010
Designated Member of the Committee for Ethnic Diversity in Linguistics (Linguistic Society of America)
2007 - 2009
President Elect of the Society for Pidgin and Creole Linguistics
2005 - 2007
Language consultant (on sign language matters) for the Government of Mauritius
1999-2004
Researcher in General Linguistics, University of Düsseldorf
1999-2002
Higher doctorate (Habilitation): “A Cognitive Theory of Creole Genesis”, University of Düsseldorf
1987-1990
PhD: “The Acquisition of Mauritian Creole”, University of Düsseldorf