Dr. Sun is an associate professor in the Department of Health Physics and Diagnostic Sciences. He received his doctoral degree in Applied Nuclear Physics from Idaho State University in 2012 with an area specification in radiation sciences and accelerator applications. Before joining UNLV, he had been an assistant/associate professor at the South Carolina State University and a postdoc in the Nuclear Engineering Division at the Argonne National laboratory.

Dr. Sun has been instructing many courses in health physics and radiation sciences such as Radiation Sciences, Introduction to Health Physics, Radiation Detection and Measurement, Introduction of Nuclear and Radiochemistry, Ionizing Radiation, Radioisotope Laboratory, etc. His research interests include Health Physics, Radiochemistry, Nuclear Activation Analysis (NAA and PAA), Computer Simulations of Nuclear Processes, Gamma-ray Spectroscopy and 3-D isotopic imaging, Medical Application of Particle Accelerators, Archaeometry, Temporal Data Mining (TDM) in Nuclear Decommissioning and Medical Imaging, and Medical Isotope Production. He is a member of the Health Physics Society, American Nuclear Society, and American Physical Society.