Researcher
- Naval Architect, CEng, Member Royal Institute fo Naval Architects, Ministry of Defence, UK
- Project Manager, Rosyth dockyard, Scotland, Vickers Shipbuilding and Engineering Limited, Responsible for large surface warship design: Airchraft Carriers, Amphibious ships
- Economist, University of Cambridge, Senior Research Associate, Macroeconomic modelling of Climate and Energy policy, Manager of Economics research theme in the OMEGA research consortium on aviation and the environment