Mackenzie Smith is author of military thriller Who Pays The Piper published in October by Arrow. He is also chairman of SCCI Group (one of the UK’s leading TV, media, and security businesses), and director of many leading British companies, including Immodulon Therapeutics, a biopharmaceutical company which is focused on utilising the immunomodulatory properties of mycobacteria in a range of important human diseases, such as cancer. www.whopaysthepiper.co.uk