Professor David Singleton took his B.A. at Trinity College Dublin and his Ph.D. at the University of Cambridge. He is a Fellow of Trinity College Dublin, where he is Head of the Centre for Language and Communication Studies. He has served as President of the Irish Association for Applied Linguistics, Secretary General of the International Association of Applied Linguistics and as President of the European Second Language Association.  He has published books and articles across a wide range of topics in the areas of language learning and teaching, including syllabus design and pedagogical grammar, but in recent years his principal domains of interest have been cross-linguistic influence, the age factor in language acquisition, multilingualism and the mental lexicon.

Some of his recent and forthcoming publications are:

Language acquisition: the age factor, Second Edition, Clevedon, Multilingual Matters, 2004, viii + 289pp. [co-author L. Ryan].

The Critical Period Hypothesis: A coat of many colours, IRAL  43 (2005), 269-285.

Lexical transfer: interlexical or intralexical?” in Cross-linguistic influences in the second language lexicon, ed. Areabski, J., Clevedon, Multilingual Matters Ltd, 2006, 130–143.

Multiple language learning in the light of the theory of affordances, Innovation in Language Learning and Teaching 1 (1) (2007), 83–96. [co-author L. Aronin]

Mulilingualism as a new linguistic dispensation, International Journal of Multilingualism, 5 (1) (2008), 1-16. [Co-author: L. Aronin].

Unspeakable words: the taboo fringe of the lexicon, in Advances in discourse approaches, ed. M. Dynel, Newcastle upon Tyne, Cambridge Scholars, 2009, 130–146.

The role of prior knowledge in L3 learning and use: further evidence of psychotypological dimensions, in The exploration of multilingualism: development of research on L3, multilingualism and multiple language acquisition, eds. Aronin, L. and Hufeisen, B., Amsterdam, John Benjamins, in press – to appear 2009. [Co-author: M. Ó Laoire].

Around and beyond the Critical Period Hypothesis, in Handbook of research in second language teaching and learning. Second edition, ed. Hinkel, E, London, Routledge, in press [Co-author: C. Muñoz].