Nick Mabey is a Founding Director and the Chief Executive of E3G. Until December 2005 he was a senior advisor in the UK Prime Minister's Strategy Unit leading work on a variety of policy areas, including energy, fisheries, unstable states and organised crime. Nick was previously Head of Sustainable Development in the FCO's Environment Policy department. An economist and engineer by training, before he joined government Nick was Head of Economics and Development at WWF-UK. Nick trained as a mechanical engineer at Bristol University specialising in energy systems, and holds a masters degree in Technology and Policy from MIT.