He has worked at various universities in Australia and he is now living and working in Singapore. His research interests are in sociolinguistics and the social aspects of bilingualism, especially of minority groups in multilingual contexts. He has published on language maintenance and shift, the demographics of the Italian community in Australia, language attitudes in Singapore and on minority groups in South East Asia. He is the author of the book Transgenerational language shift: From Sicilian and Italian to Australian English, published in 2010 by The Italian Australian Institute. La Trobe University, Melbourne, Australia. His main research focus is the survival of minority languages and the factors that influence both language maintenance and shift.