Matt Killeen was born in Birmingham in the 1970s. After careers in advertising as a copywriter and in music and sports journalism, he completed a Masters Degree in Creative Writing at Manchester Metropolitan University. In 2010, he became a writer for the LEGO (R) Company, leaving after eight years. Orphan Monster Spy is his first novel and was inspired, in part, by the young female SOE agents of WW2. He lives near London and now writes full-time.