'Donald McMaster', who wishes to be known only by this pseudonym, describes himself as being 'Australian of Celtic ethnicity'. McMaster has published short stories in Australian and overseas journals, and has written book-length fiction and non-fiction. His non-fiction, published under his real name, has largely been in the field of equine handling and care.
McMaster's family is dispersed around Australia and internationally. In 2005 he was living on the Central Coast of New South Wales.