David Campbell has worked as a new media producer and content specialist for many years, including roles at IBM, the BBC, various Internet consultancies and the British civil service. He is the author of a number of titles for Osprey.
David Greentree graduated in History at York before taking an MA in War Studies from King's College London and qualifying as a lecturer in Further Education. In 1995, he accepted a commission in the Royal Air Force and has served in a variety of locations, including Afghanistan and Oman.