He is a computational scientist at Idaho National Laboratory specializing in parallel, nonlinear, fully coupled multiphysics software. His technical skills include numerical methods, high-performance computing, nonlinear solid mechanics, material model development, finite element contact, and multiphysics coupling. He joined INL in 2010 with a principal focus on nonlinear solid mechanics capability development. He is the primary author of BISON, INL’s nuclear fuel performance application. He now manages INL’s Fuel Modeling and Simulation Department, which develops a set of multiphysics applications in support of several U.S. Department of Energy’s nuclear energy programs. Before joining INL, he spent 9 years at Sandia National Laboratories and worked on the solid mechanics applications in SIERRA. He has a bachelor’s and master’s degrees in civil engineering from Brigham Young University and a doctorate in civil engineering from the University of Illinois at Urbana-Champaign.
He is a distinguished staff scientist/engineer at Idaho National Laboratory with dual responsibility as the Gateway for Accelerated Innovation in Nuclear (GAIN) technical interface and as the industry program lead for the Nuclear Science User Facilities (NSUF). In these capacities, he works closely with the U.S. Department of Energy (DOE) Office of Nuclear Energy and the nuclear industry to ensure DOE facilities are used effectively to maintain the current reactor fleet and to enable innovation. He has nearly 20 years of experience in the areas of mechanical testing and fracture mechanics and over 3 years of experience in extreme environment materials characterization and drilling mechanics at the ExxonMobil Upstream Research Company in Houston, Texas. He has a doctorate (2001) and master’s (1998) degrees in mechanical engineering from the University of Washington, and a bachelor’s in mechanical engineering technology (1995) from Central Washington University.
She is the manager of the Department of Human Factors, Controls, and Statistics at Idaho National Laboratory (INL). She graduated from Montana State University with a doctorate in mathematics with an emphasis in numerical analysis, followed by a postdoctoral fellowship in industrial mathematics at the Center for Research in Scientific Computation at North Carolina State University. Prior to joining INL in 2010, she worked for Sentient Corporation and served as a principal investigator for several Small Business Innovation Research projects in the area of prognostic health management. She has extensive experience in data processing and analysis using the SAS programming environment and MATLAB, and served as the technical lead for the Nuclear Data Management and Analysis System from 2014 to 2017. She has also provided analytical support as needed for a variety of projects at INL, including high-temperature materials characterization and fuel performance.
He is a directorate fellow in the Nuclear Science and Technology Department at Idaho National Laboratory (INL). With a career spanning nearly 40 years at INL, he has extensive experience in many key areas of computational methods research and model development, including nonlinear thermo-mechanics, fracture mechanics, shock wave and detonation, and thermal plasma spray. From 2009 to 2016, he led the team developing BISON, INL’s state-of-the-art nuclear fuel performance code, which is currently in use at numerous national and international laboratories and nearly 20 universities with growing acceptance in industry. He holds bachelor’s and master’s degrees from Brigham Young University and a doctorate from the University of Idaho, all in mechanical engineering. He is an affiliate professor at the University of Idaho and has served as adviser to numerous graduate students. He is the author or co-author of approximately 180 scientific publications, including over 50 peer-reviewed journal articles, and has several thousand citations to his work.
He is a research scientist in Idaho National Laboratory’s Nuclear Fuels and Materials Division and a laboratory fellow. He has a doctorate in metallurgy and materials science from Case Western Reserve University in 1977. Formerly deputy division director for the Nuclear Technology Division and senior scientist with Argonne National Laboratory, he managed a fuel development effort for the Integral Fast Reactor (IFR) Program from 1991 to 1994. He participated and managed the groups that developed, fabricated, and set performance limits for driver and blanket fuels for the Experimental Breeder Reactor-II. He now works on several fuel development programs and has extensive experience with development and performance of many nuclear fuel types, including the performance of various structural/fuel cladding materials in a reactor environment. With over 40 years of experience in studying the effects of radiation on materials and fast reactor fuel development, he has more than 90 external and peer-reviewed publications and 1,500 citations.
He has wide experience leading national and international advanced fuel development programs, including first-of-a-kind testing of metal fuel with high minor actinide content, high-temperature ceramics for gas-cooled fast reactors, and U-Mo based research reactor fuel. He was instrumental in the startup of the U.S. Department of Energy’s (DOE) Nuclear Science User Facilities (NSUF) program and served as interim director and scientific program manager. He is currently the director of Characterization and Advanced Post-irradiation Examination at Idaho National Laboratory. In this role, he oversees the development and utilization of new facilities and analysis tools that provide critical information on fuel and material performance to the nuclear energy research community. He has also worked in the areas of characterization of nuclear waste forms, novel routes for fabrication of low-cost silicon carbide fibers, and high-temperature creep and oxidation resistant intermetallic materials.
He is a research and development engineer in the Experiment Analysis Group of Nuclear Science and Technology at Idaho National Laboratory. In his present position, he leads in-pile instrumentation development for transient irradiation testing and is a principal investigator for transient testing of metallic fuels. He is an experiment safety and performance analyst for experiments at the Advanced Test Reactor and the Transient Reactor Test Facility. In addition, he is a technical lead for measurement of thermophysical properties of nuclear materials. He has expertise in energy transport in condensed matter, liquids, gases, and material interfaces. He has significant experience in advanced measurements of thermophysical properties of nuclear materials using multi-scaled approaches, including nano-scale measurements using atomic force microscopy, laser-based microscopic photothermal methods, and bench-scale high temperature thermal conductivity techniques. He also has expertise in numerical and commercial finite element analysis. He holds bachelor’s and master’s degrees from Utah State University and a joint doctorate from Utah State University and Universite de Reims Champagne-Ardenne. He is a member of American Nuclear Society (ANS) and American Society of Mechanical Engineers. He was the founding president of the ANS Student Chapter at Utah State University and currently serves as an Executive Committee member for the Material Science and Technology Division of ANS.
He is a materials engineer and laboratory fellow at Idaho National Laboratory. He holds a doctorate in metallurgical engineering from Michigan Technological University. He serves as the technical lead for the Next Generation Nuclear Plant High Temperature Alloys Research and Development Program and on the management board as the Metals Working Group chair for the Gen IV International Forum Very High Temperature Reactor Materials Program and on the strategic planning board for Nuclear Energy Enabling Technologies Materials Integration. His specialties include the research and development of alloys for use in high-temperature reactors. He recently was the principal investigator and technical lead on Next Generation Nuclear Plant High Temperature Metals Research and Development for the U.S. Department of Energy. He is the author of 65 peer-reviewed articles and 35 conference proceedings, and holds seven U.S. patents.
He is a licensed professional engineer and the seismic research and development group lead at Idaho National Laboratory (INL). In this role, he built a capability at INL to deploy advanced analytical methods and numerical tools used for seismic nonlinear soil-structure interaction analysis and quantifying nuclear power plant risk to external hazards, such as seismic and flooding. His background is in vibrational analysis of structures and spent fuel storage and in high-level waste processing. He has over 13 years of experience with spent fuel canister impact analysis using Explicit Finite Element Analysis (FEA) codes. He has performed linear and nonlinear vibrational analysis, including vibrational analysis of spent nuclear fuel, seismic analysis of used nuclear fuel storage racks, and seismic soil-structure interaction (SSI) analysis of nuclear facilities and nuclear power plants. He has performed nonlinear time domain collapse analysis of high-level waste and nuclear structures to determine margin to failure. He is also involved in research to understand technologies that could make advanced nuclear power plants economically viable. His research interests include the application of the business model canvas to research and development, cost-effective advanced reactor technology, nonlinear seismic SSI analysis, seismic protective systems, spent fuel transportation and storage, and beyond design basis threats to nuclear structures. He serves on the ASCE 4 and on ASCE 43 committees. He has authored numerous reports on nuclear canister impact analysis, seismic analysis, and seismic isolation. He has a master’s degree in engineering structures and mechanics.
He is a laboratory fellow and director of the Fuel Cycle Science and Technology Division at Idaho National Laboratory (INL). His primary focus is directing research and development of advanced technologies for spent nuclear fuel recycling and other chemical separation applications. He also serves as the national technical director for the U.S. Department of Energy (DOE) Nuclear Technology Research and Development Material Recovery and Waste Form Development Program and is also the director of the Glenn T. Seaborg Institute at INL. He has 35 years of experience in chemical separation technologies involving spent nuclear fuel and radioactive waste. He holds bachelor’s and master’s degrees in chemical engineering from Montana State University and a doctorate degree in chemical engineering from Khlopin Radium Institute in St. Petersburg, Russia. He has published over 200 journal articles, reports and conference proceedings, and awarded 23 U.S. patents and six Russian patents, as well as received numerous awards, including an R&D 100 Award. He serves on the editorial board for the journal, Solvent Extraction and Ion Exchange. He is a fellow of the American Institute of Chemical Engineers and the American Nuclear Society and the founder of an endowed chemical engineering scholarship at the University of Idaho. He has served on numerous international conference scientific advisory boards and technical program committees.
He is a distinguished scientist at Idaho National Laboratory in areas of processing, characterization, and analysis of novel material systems for both nuclear and non-nuclear applications, including materials for use in high-temperature, space, irradiation, and other extreme environments. He is the U.S. Department of Energy (DOE) technical lead for the DOE Advanced Reactor Technology Graphite Research and Development program, responsible for thermo-mechanical testing of nonirradiated and irradiated graphite and composites, development of test standards and code case development for determining material properties of nuclear graphite and composites. He holds a doctorate in materials science and engineering from University of Idaho, a master’s degree in nuclear engineering from University of Illinois, and a bachelor’s degree in nuclear engineering from University of California at Santa Barbara.
He is a research and development scientist at Idaho National Laboratory (INL) leading the Engineering Scale Nuclear Fuel Simulation team. His work focuses mainly on the development of INL’s nuclear fuel performance code, BISON, and on advanced modeling of fission gas behavior in nuclear fuel. He earned his master’s and doctorate degrees in nuclear engineering from Politecnico di Milano, Italy. He has 10 years of experience in nuclear fuel modeling and simulation. Prior to INL, he worked at the European Commission in Karlsruhe, Germany, and the Halden Reactor Project in Norway. His research encompasses various areas of nuclear fuel modeling, including fission gas release and swelling in oxide fuels, fuel rod performance during design-basis reactor accidents, and modeling of accident-tolerant fuel concepts, including uranium silicide fuel and iron-chromium-aluminum steel claddings.