Jan Ciesko is a post-doctoral researcher at Sandia National Laboratories. He holds a PhD from the Universitat Politècnica de Catalunya, Spain, in computer science. Jan is interested in programmability of supercomputers, parallel algorithms, and runtime systems. He currently works on modularization of threading in Open MPI, parallel programming models for data-flow architectures, and PGAS support in the Kokkos programming model. Jan is a contributor to the OpenMP specification.