The ACM SIGSIM Conference on Principles of Advanced Discrete Simulation (ACM SIGSIM PADS) continues its reputation for high quality papers. SIGSIM PADS is the flagship conference of ACM's Special Interest Group on Simulation and Modeling (SIGSIM). The ACM SIGSIM PADS conference focuses on cutting-edge research that lies at the intersection of Computer Science and Modeling and Simulation (M&S).