Collett has published on Canadian, Australian and Caribbean women's poetry and has taught in the UK and Denmark as well as in Australia. She has been Convenor of the English Literatures programme at the University of Wollongong, and editor of Kunapipi: Journal of Postcolonial Writing.
Collett is interested in exploring the relationship between politics and poetics and the intersection of race and gender in different world communities. With Paul Sharrad, Dorothy Jones and Diana Wood Conroy she has been involved in a collaborative research project on the inter-relationship between text and textile, Fabric(ation)s of the Postcolonial.