Paul Kelly leads the Software Performance Optimisation group at Imperial College London. His research focus is domain-specific program optimisation, leading to close engagement with colleagues in computational science, robotics and computer vision.  He has worked in computer architecture, operating systems, programming languages, pointer analysis, graph algorithms and robotics.  He served as PC chair for IEEE Cluster in 2018, PC co-chair for ACM Computing Frontiers in 2010, and chair of the Software track at IPDPS in 2008.