Robin Grimes is the Steele Chair of Energy Materials at Imperial College. From 2017 to 2021 he was Chief Scientific Adviser (nuclear) to the UK Ministry of Defence and between 2013 and 2018 Chief Scientific Adviser to the Foreign & Commonwealth Office. He uses static and dynamic atomic scale computer simulation techniques to predict the behaviour of materials for energy applications including nuclear fission and fusion, focusing on fuel and waste performance. Robin is a Fellow of the Royal Society, the Royal Academy of Engineering and was knighted in 2022.