Dieter Helm is an economist specialising in utilities, infrastructure, regulation and the environment, and concentrates on the energy, water and transport sectors in Britain and Europe. He holds a number of other advisory board appointments, including the Prime Minister's Council of Science and Technology, the Defra Academic Panel (Chair), and the DTI Sustainable Energy Panel Advisory Board. He is associate editor of the Oxford Review of Economic Policy. His career to date has spanned academia, public policy and business. He founded Oxera in 1982, was a member of the DTI's Energy Advisory Panel from 1993 to 2003, and has published extensively on economic topics. He recently completed a major study of British Energy policy since 1979, Energy, The State and the Market, published by Oxford University Press.