Shahrokh Mortazavi runs the Data Science Developer Tools teams at Microsoft, focused on Python, R, and Jupyter Notebooks (http://notebooks.azure.com). Previously, he was in the High Performance Computing group at Microsoft. He worked on the Phoenix Compiler tool chain (code gen, analysis, JIT) at Microsoft Research and, prior to that, over a 10 year period led Sun Microsystems’ Code Generation & Optimization compiler backend teams. Contact: smortaz over at microsoft.com