Steve Pye is an Associate Professor of Energy Systems at the UCL Energy Institute, University College London (UCL), and its Deputy Director. Steve has over 17 years’ research experience on energy and climate modelling and policy analysis. His research concerns the challenge of energy system decarbonisation, using different whole system energy modelling approaches, with a particular focus on scenario modelling of national and global low carbon pathways, uncertainty assessment, and the equity and health dimensions of energy transitions. Steve’s research track record is reflected in 60 peer review journal articles and numerous technical reports and papers. He has led multiple research projects for a range of funders including the Energy Technologies Institute, the UK Committee on Climate Change, and the European Commission. He is currently a Director on the FCDO funded Climate Compatible Growth (CCG) Programme, and a co-I on the Horizon Europe DIAMOND project. Steve has also been involved in a range of major international initiatives, including the Deep Decarbonisation Pathways Initiative, Lancet Countdown, and the UNEP Production Gap report (of which he is still involved).