Giles is Professor of Environmental Policy and is currently Head of the Environmental Economics and Policy Research Cluster in the Department of Geography and Environment. He is also an Associate of the Grantham Research Institute on Climate Change and Environment at LSE.
An environmental economist by training, Giles has published extensively on the subject of the sustainability of economic development. Much of this research has examined how policy-makers can construct better measures of economic progress through, for example, wealth accounting and natural capital accounting. His work additionally focuses on cost-benefit analysis and the environment and the valuation of natural capital.
Outside of LSE, Giles is currently a member of the:
He was a member of the UK Natural Capital Committee (NCC) from 2012 to 2015, an independent body advising HM Government on sustainable use of natural capital, as well as a member of the Advisory Board for TEEB (The Economics of Ecosystems and Biodiversity) until 2015.