Lawrence Mitchell is a principal systems software engineer on the RAPIDS team at NVIDIA where his focus is on high-productivity, high-performance libraries for data analytics. Prior to joining NVIDIA he was a lecturer in Computer Science and Applied Mathematics at the University of Durham with research interests in high performance simulation of continuum mechanics and structure-preserving numerical methods, and was the founding co-lead and technical architect of the open source Firedrake project for finite element simulation. He holds a PhD in Physics from the University of Edinburgh.