James Corson works for the U.S. Nuclear Regulatory Commission (NRC)'s Office of Nuclear Regulatory Research (RES). James is the U.S. Nuclear Regulatory Commission (NRC) Contracting Officer Representative (COR) for the contract between PNNL and NRC for FRAPCON and FRAPTRAN code maintenance and development. His work includes code development and regulatory application for FAST, specifically in the areas of Accident Tolerant Fuel and non-Light Water Reactors. James actively assists in code development, including the coupling of FAST with other NRC codes like SCALE, TRACE, and PARCS. He also has significant experience with NRC’s severe accident code MELCOR.