Author of seventy-five published short stories and thirty-five novels, nominated for the Ditmar, the Aurealis and the prestigious Philip K Dick Award for Saturn Returns, Sean has been published around the world in numerous languages, on-line, and in spoken word editions.  His current projects include The Fixers, a science fiction series for children, Star Wars: The Old Republic: Fatal Alliance and Star Wars: The Force Unleashed 2, and Troubletwisters, the first in a series of fantasy novels co-written with Garth Nix.

He is a founding board member of the Big Book Club Inc., assesses for the Carclew Youth Arts’ Project and Development Grant Advisory Committee, sits on the Advisory Committee of Adelaide Writers’ Week, helps judge the Somerset National Novella Competition and the Writers of the Future contest, and was recently elected Overseas Regional Director of the premier international representational body of speculative fiction writers, SFWA.