Philip Butterworth-Hayes is founder and editorial director of PMI Media Limited, consultant and writer on global aviation affairs with a particular interest in the aircraft manufacturing market. He began his aviation career in 1984 with the management of an air cargo disaster relief operation between Europe and Sudan. He had previously worked as a lecturer and journalist in North Africa. For more than 25 years Philip has specialized in delivering highly complex technical and industrial aerospace information. As such, his clients have included the US government, for whom he delivered a recommendation on the deployment of back-up navigational equipment on all United States Air Force fixed wing aircraft and a wide number of global advisors, including Morgan-Stanley, Mercer Management Consulting and ATK Kearney.