Angie Lousteau is pursuing her PhD studies during a sabbatical from work for the Safeguards Technology Group at Oak Ridge National Laboratory. She is co-mentored by Dr. Bob McElroy in this research on a dual energy interrogation approach for a shuffler, aiming to exploit delayed neutron counting in a novel way in order to estimate the enrichment and mass of uranium material samples. Angie holds B.S. and M.S. Degrees in Nuclear Engineering from Texas A&M University.