Member of Parliament for Oxford West and Abingdon from 1997 to 2010

Associate Professor, Head of Chromatin & Memory Group, Department of Plant Sciences, University of Cambridge

Policy consultant

Executive at Hakluyt

Professor of Atmospheric Informatics, Centre for Environment and Agricultural Informatics, Cranfield University

Professor of Tax Law, Faculty of Law, University of Cambridge

Senior Research Leader, RAND Europe

Manager, Prudential Policy Directorate, Prudential Regulation Authority, Bank of England

Research Associate, Department of Medicine, University of Cambridge

Deputy Chief Scientific Adviser, Defra