Professor David Stupples specialises in research and development of space-based reconnaissance, surveillance, and navigation systems. For a number of years he undertook research at the Royal Signal and Radar Establishment in Malvern in the UK, followed by satellite surveillance and systems research for a UK Central Government Agency. He then spent three years developing secure communications and signals processing for surveillance satellites and air defence systems for Hughes Aircraft Corporation in the US. In his early career, Dr David Stupples was employed in radar and communications systems development in the Royal Air Force that included the introduction of military satellite systems to full operational status. His current research, at City, University of London is focused on the resilience of space-based systems against electromagnetic spectrum weapons. David Stupples is a Senior Research Fellow at the University (London Space Innovation Centre) and holds degrees in ‘Electronic and Radio Engineering’ (BSc), ‘Computer System Engineering (MSc)’, ‘Space Systems Engineering (MSc)’ and ‘Radar Systems Engineering (PhD)’.