Dr. Mathias Wagner is a Senior Developer Technology Engineer with NVIDIA. He works on HPC applications with OpenACC and CUDA and performance optimization. His background and main focus is on Lattice Quantum Chromodynamics, where he collaborates with various research groups. Before joining NVIDIA, Mathias worked on implementing and optimizing Lattice QCD applications as a postdoc at Bielefeld and Indiana University. He received his PhD thesis in theoretical particle physics from Darmstadt University of Technology in 2009.