Mission: To foster the development of new generations of nuclear engineers and scientists through the development and deployment of open and reliable software tools for the analysis of complex nuclear energy systems Radiation Transport in Complex Geometries + Open source software tools that support Monte Carlo radiation transport on complex CAD-based geometries, with workflows that Nuclear Fuel Cycle Analysis + Open source software tools that allow flexible modeling of nuclear fuel cycles over varying time and physical fidelities. Nuclear Security and Nonproliferation + Simluation of nuclear fuel cycle facilities and application of data science techniques to their signatures