Mark Abernethy was born in New Zealand but has lived most of his adult life in Australia. He is an author, speechwriter, ghostwriter, and journalist. He is the creator of:
1. 'Alan "Mac" McQueen', an Australian super-spy.
2. 'Gerry Galen', a ex-special forces hero (under the pseudonym 'Mark Aitken').
3. 'Mike Daly', a builder and private intelligence contractor.