Todd Gamblin is a Distinguished Member of Technical Staff at Lawrence Livermore National Laboratory. He created Spack (spack.io), a widely used, open-source package manager for high performance computing, partially sustained by the PESO project. He is a co-founder of the High Performance Software Foundation (hpsf.io). At LLNL, he works on software and future computing strategy in the Advanced Technology Office in LLNL's Livermore Computing division, and he he leads a number of research and development projects focused on software integration.