He is a lead risk analysis engineer at Idaho National Laboratory (INL) and the primary or key investigator in multiple Nuclear Regulatory Commission (NRC) and the U.S. Department of Energy (DOE) probabilistic risk assessment (PRA) projects, including common cause failure analysis, simulation-based dynamic external flood analysis, nuclear operating experience data analysis, SPAR integrated capability model, SPAR model maintenance, and DOE Risk Informed Safety Margin Characterization projects. Prior to joining INL, he worked at Ameren Callaway Nuclear Plant as a PRA engineer and Beijing Institute of Nuclear Engineering as a nuclear system and design engineer. He obtained his bachelor’s degree in nuclear reactor engineering from Xi’an Jiaotong University in China and his master’s and doctorate degrees in nuclear engineering from the University of Missouri-Columbia. He serves on the ASME/ANS Jointed Standard Committee on Nuclear Risk Management Subcommittee on Standard Development, the ANS Professional Engineering Examination Committee, and the ANS Nuclear Installation Safety Division Executive Committee.
He has 37 years of experience in probabilistic risk assessment, including methods development and regulatory applications of reliability analysis, risk analysis, and decision analysis. He also has 33 years of supervisory and project management experience in risk analysis, including program development and supervision of Ph.D. research. Much of his work focuses on commercial nuclear plants, but he has also worked on waste handling facilities, gaseous diffusion plants, accelerator-based systems, semiconductor manufacturing, space systems, and, more recently, offshore drilling facilities. In addition to his work at Idaho National Laboratory, he supports NASA’s Headquarters Office of Safety and Mission Assurance (OSMA) in improving the technical basis for decision making in System Safety. Based in part on his contributions to NASA’s original PRA Procedures Guide, he supports the Bureau of Safety and Environmental Enforcement (BSEE) in developing guidance to conduct a Probabilistic Risk Assessment for offshore oil and gas industry operations. The team issued the first draft of BSEE’s guide at the end of Fiscal Year 2016. He has authored or co-authored more than 125 publications and technical reports.
He holds a master's degree in nuclear engineering and a master’s and a bachelor's degree in mechanical engineering. He is principal investigator for two Nuclear Regulatory Commission (NRC) projects and one Light Water Sustainability Program (LWRS) project in the Risk Assessment and Management Services Department at Idaho National Laboratory (INL). As principal investigator for Reactor Operating Experience Data, he collects, codifies, assures quality, and maintains data necessary to support various risk-associated NRC studies requiring reactor operation experience. He also is principal investigator for SACADA, an NRC program that collects operations training simulator data to support improved human reliability analysis (HRA) methods. He is the principal investigator for Outage Risk Management Improvement, an LWRS program that seeks to improve outage safety and efficiency through the application of new technologies. He has worked at INL for more than 11 years and has reactor operations, process engineering, and probabilistic risk assessment (PRA) experience. He was previously a senior reactor operator (SRO)-certified shift technical adviser and shift support supervisor at a commercial boiling water reactor and a nuclear-trained surface warfare officer in the U.S. Navy.
He is a research scientist with the Seismic Research Group at Idaho National Laboratory. His research interests include numerical and experimental simulations of structural and earthquake engineering problems, seismic risk mitigation, and probabilistic risk assessment. He has a bachelor's degree in civil engineering from the Indian Institute of Technology, Bombay, and has master’s and doctorate degrees in civil engineering from the University at Buffalo.
His expertise includes the application of small Unmanned Aircraft Systems (sUAS) to homeland and national security needs. Argonne National Laboratory’s expertise in this area includes worldwide databases of commercial sUAS technologies and sUAS regulatory frameworks, risk assessment methodologies applied to sUAS threat environments, and the use of sUAS for critical infrastructure monitoring/damage assessment and emergency response. He received his master’s degree from the Johns Hopkins University and his doctorate from Cornell University.
The Savannah River National Laboratory offers a unique combination of capabilities, equipment, and infrastructure that are not available anywhere else in the United States. Originally created as part of the complex to maintain the US nuclear deterrent, the current mission and capabilities are a significant asset to the site, region and country to provide solutions to issues of national and international impact.
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