Christopher Greulich is a first year PhD graduate student, working on a DTRA-sponsored project investigating the potential of organic photodetectors to function as low-cost replacements to PMTs for scintillator radiation detector applications. Chris has also spent time working on improving electronics and signal analysis for gamma-ray spectrometers while on a DOE SULI internship at Pacific Northwest National Laboratory. Chris has worked on a variety of projects as an undergraduate student. He has a B.S. degree in Nuclear Engineering from the University of Florida, received in December 2014.