Dr Rajat Gupta is a Research Fellow in the Department of Architecture, and an active member of Oxford Institute for Sustainable Development at Oxford Brookes University. Rajat qualified as an Architect in India and London, and has a Masters in Energy Efficient Building and a Doctorate from Oxford Brookes University. His doctoral study developed an innovative GIS-based domestic energy, carbon-counting and carbon-reduction model (DECoRuM), the working of which has been widely published in academic journals and newspapers alike. DECoRuM is now being developed as a toolkit for carbon emission reduction planning for use by UK local authorities. Rajat has recently co-authored a book, Closing the loop: benchmarks for sustainable buildings. He has also developed the Climate Change Action Plan for the City of Oxford.

Rajat is an able computer modeller and has been a judge on a number of international design competitions. He has been awarded research grants from the European Commission, Energy Saving Trust, Royal Institute of Chartered Surveyors Education Trust, Pilkington Energy Efficiency Trust and South East Proof of Concept fund. Rajat is a fellow of the Royal Society of the Arts, a member of the Royal Institution of Great Britain, an associate of the Institute of Learning and Teaching in Higher Education and an incorporate member of the Chartered Institute of Building.