2012, January, Lorentz Center, University of Leiden: "Child bilingualism: language, cognition and environment".
2011, September. Stockholm, Language Learning Round Table on "Is there a future for the native speaker in SLA research?": "The bilingual native speaker".
2011, June. Gargnano del Garda, conference on "Multilingualism: Language, Power, and Knowledge": "Cognitive advantages of bilingualism: is there a 'bilingual paradox'?".
2011, March. Thessaloniki. TESOL Macedonia/Thrace Conference: "Doors to cognitive enhancement: new research perspectives on early and late bilingualism".
2010, November, Amsterdam, colloquium on "Early Child Bilingualism: Bilingual first language acquisition or child second language acquisition?": "Input and age in early bilingualism: a broader view".
2010, October. Tromso, workshop on "The acquisition of linguistic variation": "Variable effects of variable input".
2010, September. Dublin, Irish Network in Formal Linguistics, Workshop on Formal Approaches to Language Acquisition: "Crosslinguistic effects and executive control at the syntax-pragmatic interface in child bilingualism".
2010, September. Reggio Emilia, 20th EUROSLA Conference: "SLA as bilingualism: or, it's time to see the forest for the trees".
2010, June. Tromsoe, 6th Grand Meeting of Scandinavian Dialect Syntax: "Acquisition in variation (and vice versa)" (with C. Heycock)
2009, August. Nijmegen, 19th International Conference on Historical Linguistics: "Native language attrition in individual speakers: Investigating the beginning of diachronic language change".
2009, July. Utrecht, International Symposium on Bilingualism (ISB7): "Bilingual language development: integrating data from different perspectives".
2009, June, Lisbon, Workshop on Interfaces in L2 Acquisition: "Pinning down the concept of interface".
2009, June. Bucharest, Annual Conference of the English Department: "Bilingual language development: theoretical and methodological interfaces".
2009, May. Bangor, Workshop on :Intramodal and cross-modal bilingualism": "Linguistic and cognitive costraints on bilingual production".
2009, March. Urbana-Champaign, Illinois, 10th Generative Approaches to Second Language Acquisition conference (GASLA): "Theoretical and methodological interfaces in research on L2 ultimate attainment".
2008, December. Amsterdam. Seminar on "Variation in inflection": "Convergences between early and late bilinguals: where and why".
2008, December. Cambridge, Graduate Seminar on "Data in Second Language Research": "Studying the limits of adult second language acquisiton: theoretical and methodological interfaces".
2008, September. Pisa, XLII International Conference of the Italian Linguistic Society "Language and Brain": "Psycholinguistic signatures of gradient auxiliary selection and models of the syntax-lexicon interface".
2008, September. Ghent, 4th Workshop on Bilingualism: "Bilingual childrens' interpretation of interface structures: crosslinguistic effects vs. processing costs".
2008, September. Southampton, Third Workshop on the Acquisition of $ Romance Languages (Romance Turn 3): "Anaphora resolution in Italian and Spanish: microvariation, development, and theoretical implications".
2008, June. Harvard, Second Heritage Language Summer Institute: "Individual native language attrition: the wider picture".
2008, May. Santiago de Compostela, First International Postgraduate Conference on English Linguistics: "Variation and instability in bilingual speakers: seeing both the forest and the trees".
2007, December. Groningen, International Symposium on "Second language development: grammar and processing": "L2 ultimate attainment in the wider picture: representations, processing, and effects of bilingualism".
2007, November. Nijmegen, 2nd international workshop on "Grammatical processing in language learning": "Internal and external interfaces in bilingual language development: revisiting the processing vs. representations distinction".
2007, September. Edinburgh, Royal Society of Edinburgh (RSE) conference on "Tall Tales about Mind and Brain": "The more, the merrier: facts and myths about early bilingualism".
2007, February. Universidade do Minho (Braga), Workshop "Issues on Bilingualism": "Attrition vs. incomplete acquisition in bilingualism".
2006, June. Solf, Finland, Scandinavian Dialect Syntax Meeting: "Verb movement in Faroese: an old question and a new project" (with C. Heycock).
2006, May. Tokyo, Japan Second Language Acquisition Society annual conference: "Optionality at the syntax-discourse interface in near-native second language speakers".
2005, December. Amsterdam, conference on "Early Child Bilingualism": "Multiple interfaces in argument realization: syntactic development and general cognition in early bilingualism" (with B. Skarabela).
2005, November. Pennsylvania State University, Joint Meeting of the Hispanic Linguistics Symposium and the Conference on the Acquisition of Spanish and Portuguese: "Interface instability and convergence phenomena".
2005, September. Siena, 7th International conference on Generative Approaches to Language Acquisition (GALA05): "Interfaces in language development".
2005, August. Amsterdam, 2nd International Conference on First Language Attrition: "Individual attrition as a precursor of language change: from interfaces to narrow syntax".
2005, April. University of Thessaloniki, Symposium on "Bilingualism: Grammatical representations and processing: "Interfacing syntax and other cognitive domains: evidence from child and adult bilinguals".
2005, March. Barcelona, 5th International Symposium on Bilingualism: "The interaction of structural and processing factors at the syntax-discourse interface".