Todd Gamblin is a Distinguished Member of Technical Staff in the Livermore Computing division at Lawrence Livermore National Laboratory. He created Spack, a popular open source HPC package management tool with a rapidly growing community of contributors. He leads the Packaging Technologies Project in the U.S. Exascale Computing Project, LLNL's DevRAMP project on developer productivity, and an LLNL Strategic Initiative on software integration. His research interests include dependency management, software engineering, parallel computing, performance measurement, and performance analysis.