Dr Stephen D. Prior holds a Readership in Unmanned Air Vehicles at the University of Southampton. He is also the director of the Autonomous Systems Laboratory, which engages in defence-related research. Dr. Prior is the author of 200 technical publications. His research interests include co-axial rotorcraft, novel UAS and perching techniques. He is an active member of the IMechE and was the general chair of ICICE Conferences in China, and the co-chair of ICMES Conferences in Taiwan. He is also on the editorial board for the Unmanned Systems Journal, International Journal of Micro Air Vehicles and the Journal of Science and Innovation. Dr Prior is the founder and CEO of Hybrid Drones Ltd, a company developing Heavy-Lift Hybrid Drone technology for last-mile resupply and other missions.