The BGA is delighted to announce that Dr Lesleis Nagy from Scripps Institution of Oceanography, University of California San Diego, is our Bullerwell Lecturer for 2021. The main focus of his research is on numerical modelling of thermal stability in magnetic microstructures. Lesleis completed his PhD in 2015 on the topic “Parallelisation of Micromagnetic Models” at the School of Geosciences, University of Edinburgh; this was followed by a PDRA position at Edinburgh, before moving to California in 2017 to take up his current position.