Lewis is responsible for LGIM's stewardship activities related to climate change. Lewis joined LGIM in January 2022 from the Institutional Investors Group on Climate Change (IIGCC) where he held the title of Programme Manager. Doing so, Lewis coordinated investor/company engagements across six sectors and was responsible for the management of the Climate Action 100+ (CA100+) initiative. Prior to that, he held positions at the UK Government Department for Business, Energy and Industrial Strategy and the Renewable Energy Policy Network for the 21st Century (REN21). Lewis graduated from Imperial College London and the University of Sheffield and holds an MSc in Environmental Technology and Energy Policy and a BSc in Physics.