- Board Member of the Collaborative Research Centre CRC1412-Register
- Associated Member of the Centro de Linguistica, Universidade de Lisboa (CLUL) (since 2011)
- Associated Member of the Interdisciplinary Centre for European Languages, FU Berlin
- Member of The SEEPiCLa International Research Group, CNRS, France
- President of the International Association for Colonial and Postcolonial Linguistics (since 2018)
- Member of the editorial board of the book series Contact Language Library, John Benjamins