Head of Technology Unit Head of Technology Unit
United Nations Environment Programme (UNEP) 2013-2020
Head, International Renewables and Technology NegotiationsHead, International Renewables and Technology Negotiations
• Department of Energy and Climate Change,
Paris, France2010-2013

Head, Agriculture and Climate Change Mitigation
Department for Environment, Food and Rural Affairs,2009-2010
International Climate ChangeInternational Climate Change
Ministère de l'Ecologie, de l'Energie, du Développement Durable et de l'Aménagement du Territoire) ,2008-2009
Office of Chief Scientific Adviser; Head of Environment Science Coordination Branch, Department for Environment, Food and Rural Affairs2003-2008
Radiological Assessments, Food Standards Agency,2000-2003
Risk Analyst, Environment Agency,1999-2000

Radiological Assessment Officer, Ministry of Agriculture, Fisheries and Food1997-1999