Ajay Gambhir is an Advanced Research Fellow at the Grantham Institute for Climate Change and the Environment, Imperial College London. He uses energy system and integrated assessment models to explore low-carbon transition pathways. He has held economist and policy positions in the UK Government’s Department of Energy and Climate Change and the UK Committee on Climate Change. He has Masters degrees in Economics (University of London) and Chemical Engineering (University of Cambridge) and a PhD in Energy Economics (Imperial College London).