JASON TUENGE is a Lighting Research Engineer at Pacific Northwest National Laboratory (PNNL). As part of PNNL's Advanced Lighting team, and in support of the DOE Lighting R&D Program, Tuenge has been characterizing the energy performance of connected lighting systems; developing guidance on calibrating measurement equipment; estimating the effect of LED streetlight conversions on motor-vehicle crashes; and contributing to the advancement of germicidal ultraviolet technologies and their efficient application.