| 2026 | | Fellowship award | | Individual residential fellowship | South Africa |
| 2026 | | Invited talk | | West African Pidgin: World language against the grain | South Africa |
| 2025 | | Keynote speech | | Institucionalização e padronização de línguas crioulas no século XXI: um estudo comparativo | Cape Verde |
| 2025 | | Invited talk | | Técnicas de elicitação grammatical e coleta de dados na pesquisa linguística | Angola |
| 2025 | | Invited talk | | A expansão das línguas francas africanas: o caso do west african pidgin | Angola |
| 2025 | | Invited talk | | Tone-stress contact in the Afro-Atlantic prosodic area | USA |
| 2025 | | Invited talk | | Lingala in Angola: An initial assessment of its role as a lingua franca and home language | Portugal |
| 2024 | | Fellowship award | | Hong Kong University Overseas Fellowship | Brazil |
| 2024 | | Academic visits | | Contato linguistico no espaço Afro-Atlântico | Brazil |
| 2024 | | Invited talk | | The Afro-Atlantic as a linguistic area: a look at modality | Brazil |
| 2024 | | Invited talk | | O Afro-Atlântico como uma área linguística: um olhar para a modalidade | Brazil |
| 2024 | | Invited talk | | West African Pidgin: langue mondiale à contre-courant | France |
| 2024 | | Keynote speech | | The institutionalization of creole languages: a comparison | Cabo Verde |
| 2024 | | Conference presentation | | Hispanização, bantuização e pidginição na especiação do Pichi (Guiné Equatorial) | São Tomé |
| 2023 | | Fellowship award | | Senior Research Fellowship | Germany |
| 2023 | | Invited talk | | Tone meets stress in the Afro-Atlantic: social context, typology, outcomes | Germany |
| 2023 | | Invited talk | | Why don’t we just use African languages for business? | USA |
| 2023 | | Conference presentation | | The emergence and evolution of tone systems in Afro-Iberian contact varieties | Angola |
| 2022 | | Visiting professorship | | Labex EFL International Chair | France |
| 2022 | | Invited talk | | Multilingual language contact | France |
| 2022 | | Invited talk | | Areal perspectives on creole evolution | France |
| 2022 | | Invited talk | | Outcomes of prosodic contact | France |
| 2022 | | Invited talk | | Social factors in language contact | France |
| 2022 | | Conference presentation | | Creole evolution: lessons from the Afro-Atlantic | USA |
| 2021 | | Invited talk | | Tone systems in African Romance | Switzerland |
| 2021 | | Invited talk | | Social entrenchment and the evolution of copula systems in West African Pidgin English | Ghana |
| 2021 | | Invited talk | | Dynamics of the English Creoles of Africa and the Americas | Germany |
| 2021 | | Invited talk | | Subjunctive complements in the English-lexifier creoles of Africa and the Americas | France |
| 2021 | | Invited talk | | Small-scale multilingualism in Africa, Amazonia and the Atlantic space | France |
| 2021 | | Invited talk | | Areal perspectives on Afro-European creole languages | Germany |
| 2021 | | Keynote speech | | What’s in a Creole? | France |
| 2021 | | Conference presentation | | Writing practices and ideologies of power: a sociolinguistic study of advertisements in Nigerian Pidgin | USA |
| 2020 | | Fellowship award | | Humboldt Research Fellowship for Experienced Researchers | Germany |
| 2020 | | Invited talk | | Creole genealogy and areal contact | Germany |
| 2019 | | Invited talk | | On Pichi (Equatorial Guinea): sociolinguistic, typological, and contact-related aspects | Nigeria |
| 2019 | | Invited talk | | Creole speciation: genetic and areal aspects | USA |
| 2019 | | Invited talk | | The expansion of the English-lexifier contact languages of Africa: processes, causes, consequences | Germany |
| 2019 | | Conference presentation | | A dialect-based investigation of the future marker in Likpakpaln | Ghana |
| 2018 | | Visiting professorship | | Postgraduate summer school | Brazil |
| 2018 | | Keynote speech | | Multilingual language contact in the Guianas | Brazil |
| 2018 | | Keynote speech | | The English Creoles of Africa and the Americas: contact, differentiation, expansion | Malaysia |
| 2018 | | Keynote speech | | Towards an areal creolistics of West Africa | Senegal |
| 2017 | | Fellowship award | | Doris Zimmern Hong Kong University–Cambridge Hughes Hall Fellowship | UK |
| 2017 | | Conference presentation | | Aspects and implications of the growth of the English creoles and pidgins of West Africa | Ghana |
| 2017 | | Conference presentation | | Romancing with tone: prosodic systems in language contact | Finland |
| 2016 | | Fellowship award | | Collaborative research and residential fellowship | Norway |
| 2016 | | Invited talk | | Language contact and genealogical differentiation: the English Creoles and Pidgins of Africa and the Caribbean | Cameroon |
| 2016 | | Invited talk | | Bhojpuri in the Caribbean | Mauritius |
| 2016 | | Invited talk | | Towards a model of language change in multilingual ecologies | Hong Kong |
| 2016 | | Invited talk | | Plurilingualism, language contact, and creole evolution | Norway |
| 2016 | | Conference presentation | | Patterns of mixing: Surinamese Javanese and Sarnami in contact with Sranan and Dutch | Jamaica |
| 2015 | | Fellowship award | | Hong Kong University Overseas Fellowship | Canada |
| 2015 | | Invited talk | | Boundaries and bridges: multilingual ecologies in the Guyanas | Switzerland |
| 2015 | | Keynote speech | | Studying language contact in contact languages: lessons from the field | USA |
| 2015 | | Conference presentation | | Archetypal areal features in the African English-lexifier Creoles | Japan |
| 2015 | | Conference presentation | | Locative constructions and the genealogical differentiation of the Afro-Caribbean Englishlexifier Creoles | Italy |
| 2014 | | Visiting professorship | | MA Dutch Language and Literature | Suriname |
| 2014 | | Invited talk | | Taalwetenschappelijke opgravingen: de wortels van Sranan en Sarnami | Suriname |
| 2013 | | Visiting professorship | | African Linguistics School III | Nigeria |
| 2013 | | Conference presentation | | Out of India: contact-induced change in Sarnami | India |
| 2013 | | Conference presentation | | The Javanese language in Suriname: explorations in language contact and change | Indonesia |
| 2012 | | Fellowship award | | Individual residential fellowship | Germany |
| 2012 | | Field research | | Mauritian Bhojpuri, Mauritian Creole | Mauritius |
| 2012 | | Field research | | Mauritian Bhojpuri | Mauritius |
| 2011 | | Field research | | Gun, Fon, Yoruba, Nigerian Pidgin (Benin) | Benin |
| 2011 | | Field research | | Ghanaian Pidgin English, Twi, Ewe (Ghana) | Ghana |
| 2011 | | Field research | | Javanese (Suriname) | Suriname |
| 2011 | | Field research | | Sarnámi, Javanese, Sranan (Suriname) | Suriname |
| 2011 | | Field research | | Sranan, Sarnámi, Dutch, Ndyuka, Saramaccan, Javanese, Hakka (Suriname) | Suriname |
| 2011 | | Field research | | Tobagonian and Trinidadian Creole (Trinidad) | Trinidad & Tobago |
| 2011 | | Field research | | Trinidad Bhojpuri (Trinidad) | Trinidad & Tobago |
| 2011 | | Field research | | Bhojpuri, Magahi, Maithili, Avadhi (India) | India |
| 2010 | | Field research | | Sarnámi (Netherlands) | Netherlands |
| 2005 | | Field research | | Pichi (Equatorial Guinea) | Equatorial Guinea |
| 2003 | | Field research | | Pichi (Equatorial Guinea) | Equatorial Guinea |
| 2003 | | Field research | | Ewe (Ghana) | Ghana |
| 1995 | | Field research | | Bislama (Vanuatu) | Vanuatu |