Ryan J. Hart, P.E. Ryan J. Hart, PhD, P.E., is a managing engineer in the Thermal Sciences practice at Exponent, Inc. (Email: firstname.lastname@example.org), where he assists in the investigation and analyses of fires, explosions, and chemical process safety incidents. His investigations have focused on mid-scale to large-scale chemical production facilities, industrial material handling and processing facilities, power plants, refineries, and biofuel production facilities. The investigations have focused on fire and explosion cause analysis, origin determination, and evaluation of root causes and contributory events covering the elements of process safety management. Additionally, Hart has experience in the design of high-temperature and high-pressure experimental techniques, chemical analysis, and analytical chemistry methodologies and interpretations. He received a BS from the Univ. of Wyoming and a PhD from the Georgia Institute of Technology (Georgia Tech), both in chemical engineering.