Skip Ribbon Commands
Skip to main content
Sign In

Skip Navigation LinksStaffList



Ronald A. Crone A. CroneMr. Ron Crone has more than 25 years of experience in engineering, management and technical leadership. He served as interim associate lab director for the Neutron Sciences Directorate at Oak Ridge National Laboratory. He was responsible for the management of the neutron sciences R&D portfolio, which includes the operation of the Spallation Neutron Source and the High Flux Isotope Reactor (HFIR). He began his career in the Reactor Engineering Group at the Davis-Besse Nuclear Power Station near Toledo, Ohio. He then worked at the Yankee Rowe Nuclear Power Station in Rowe, Massachusetts, as a reactor engineer and shift technical adviser. He moved to Tennessee and joined the staff of the HFIR in the Research Reactors Division (RRD) in January 1992. He holds a bachelor’s degree in nuclear engineering from the University of Cincinnati and a master’s degree in engineering from the University of Alabama at Huntsville.<div class="ExternalClassB42C3C7BE4174CF787FAF5506FA29B5D"><p><span style="font-family:calibri, sans-serif;">B</span><span style="line-height:115%;font-family:calibri, sans-serif;font-size:11pt;">achelor’s degree in nuclear engineering, University of Cincinnati</span></p><p><span style="line-height:115%;font-family:calibri, sans-serif;font-size:11pt;">Master’s degree in engineering, University of Alabama at Huntsville</span></p></div> Laboratory Director
Donna J. O’Kelly, Ph.D. J. O’Kelly, Ph.D.Dr. Donna J. O'Kelly is the director of the Analytical Research Laboratories at Idaho National Laboratory’s Materials and Fuels Complex. She also serves as the Chief Operating Officer for the Materials and Fuels Complex. Prior to her arrival at INL, Dr. O’Kelly was the group leader for the Elemental Measurement Science Group at the National Institute of Standards and Technology. With experience in academia as a laboratory manager and a research scientist, Dr. O’Kelly now provides management for facilities that characterize and fabricate new nuclear fuel, as well as examine nuclear fuels and materials after irradiation. Under Dr. O’Kelly, the Analytical Laboratory provides the chemical, radiochemical, physical, and other analytical data needed for various research and engineering development programs and for applied research and engineering development activities in support of advanced nuclear fuel design, waste management, environmental, and other INL programs. In addition, Dr. O’Kelly has served as the president of the INL Women in Leadership group since 2016. Dr. O’Kelly earned her doctorate in nuclear chemistry from Texas A&M University and holds a bachelor’s degree in chemistry.<div class="ExternalClass80797227CC474FE99C81AD04F99B06AD"><p><span style="font-family:calibri, sans-serif;">B</span><span style="line-height:15.69px;font-family:calibri, sans-serif;font-size:11pt;">achelor’s in chemistry, Idaho State University</span></p><p><span style="line-height:25.6px;font-size:16px;">D​</span><span style="line-height:107%;font-family:calibri, sans-serif;font-size:11pt;">octorate in nuclear chemistry, Texas A&M University</span></p></div>Analytical Chemistry of Analytical Research Laboratories
Eric W. Papaioannou W. PapaioannouEric W. Papaioannou is the Operations, Maintenance, Utilities and Infrastructure Support Division Director of Idaho National Laboratory’s Materials and Fuels Complex. He holds a bachelor’s degree in physics with an emphasis in radiological engineering from Idaho State University. He began his career in the United States Naval Nuclear Program where he spent just over nine years serving aboard the USS Abraham Lincoln (CVN-72) and at the A1W Prototype as a staff instructor. Following his naval service he attended Idaho State University and began working for Argonne National Laboratory-West as an operator in the Fuel Conditioning Facility. Following graduation he became the Fuel Conditioning Facility (FCF) plant criticality safety engineer and eventually was responsible for the criticality safety program in multiple MFC facilities. Following the INL merger in 2005, he served on the Hot Cell Services (HCS) Department Manager’s staff and has held the position of assistant nuclear facility manager (NFM) for Hot Fuel Examination Facility (HFEF), the NFM for the Fuel Conditioning Facility, the NFM for HFEF, and the HCS Department Manager. In early 2014, he began a rotational assignment as the MFC Maintenance Manager. In these roles Eric was responsible to ensure that these facilities were appropriately staffed, available, and operated to meet the INL’s mission in a safe and compliant manner. <div class="ExternalClassE11DC4A128CE47948889345BC0050EEB"><p>​<span style="line-height:15.69px;font-family:calibri, sans-serif;font-size:11pt;">Bachelor’s in physics with an emphasis in radiological engineering</span><span style="line-height:25.6px;font-size:16px;">​</span>​, <span style="line-height:107%;font-family:calibri, sans-serif;font-size:11pt;">Idaho State University</span></p></div> of Operations, Maintenance, Utilities and Infrastructure Support
Mitchell K. Meyer, Ph.D. K. Meyer, Ph.D.Dr. Mitchell K. Meyer is the director of the Characterization and Advanced PIE division at the Idaho National Laboratory’s Materials and Fuels Complex. In this position since February 2015, he has been responsible for strategic planning of new nuclear fuels and material research program, as well as the construction and outfitting of two major new facilities. He studied ceramic engineering at Iowa State University, where he earned his bachelor’s, master’s and doctoral degrees. He came to Idaho in 1996 as a staff ceramic engineer at Argonne National Laboratory-­West and by 2005 he was the U.S. Lead for AFCI and gas-cooled fast reactor fuels, interfacing with research partners in Great Britain, France and the European Union. While director of INL’s Nuclear Fuels and Materials Division from 2011 to 2015, he served as national technical lead for RERTR Fuel Development.<div class="ExternalClass8FAEE6BE1BBC42B785ECB3E1F02E3714"><div><p>​Bachelor’s, master’s and doctoral degrees in ceramic engineering, Iowa State University</p></div></div>Nuclear Fuels of Characterization and Advanced PIE
Brady Orchard OrchardBrady Orchard is the project director for Remote-Handled Low-Level Waste (RHLLW) Project at Idaho National Laboratory’s Materials and Fuels Complex. As part of the MFC management team, he has responsibility for coordinating activities required for transition to operations and ensuring future waste management activities support the MFC mission. The RHLLW Disposal Project is the laboratory’s first line item construction project of more than $20 million approved for final design/construction under the BEA contract and the first line item construction project authorized to proceed to final design/construction by the Office of Nuclear Energy in 23 years. Orchard has 18 years of experience in engineering, project and waste management. He earned a bachelor’s degree in environmental engineering and a master’s degree in civil and environmental engineering from Utah State University. He is both a registered Project Management Professional and Professional Engineer in the state of Idaho.<div class="ExternalClassA2CC4E3C104D47A98B2DE8EDFA5114DC"><p>​Bachelor’s degree in environmental engineering, Utah State University</p><p>Master’s degree in civil and environmental engineering, Utah State University</p></div> Director of the RH-LLW Disposal Facility project
Stuart R. Jensen R. JensenStuart R. Jensen is the director of Engineering and Projects for Idaho National Laboratory’s Materials and Fuels Complex. He holds a master’s in manufacturing systems engineering from Stanford University and a bachelor’s in mechanical engineering from Brigham Young University. He began his career as a designer of remote handling equipment for fuel storage basins and hot cells, where he led implementation of solid-modeling based engineering and manufacturing techniques. He then worked as an analyst and supervisor in the analysis group, performing a variety of engineering analyses including impact simulations, thermal analyses, computational fluid dynamics, seismic analysis, and blast effects simulations. Next, at INL’s Advanced Test Reactor, he led a comprehensive seismic assessment of all ATR safety- related structures and equipment. In 2014, Jensen moved to the Materials and Fuels Complex to serve as the Deputy Director for Research. In this brief role he has become familiar with MFC facilities, equipment, personnel, and programs, and engaged on behalf of MFC senior management with laboratory-wide management systems. He serves on the American Society of Civil Engineers working group for Dynamic Analysis of Nuclear Structures, co-authoring the ASCE 4 and ASCE 43 standards.<div class="ExternalClassE48C8A896ABE4DF2BA506002D985A4A9"><p>​<span style="font-family:calibri, sans-serif;font-size:11pt;line-height:15.6933px;">Bachelor’s in mechanical engineering, Brigham Young University</span></p><p><span style="font-family:calibri, sans-serif;"></span><span style="font-family:calibri, sans-serif;">M</span><span style="font-size:11pt;line-height:107%;font-family:calibri, sans-serif;">master’s in manufacturing systems engineering, Stanford University</span></p></div> of MFC Engineering
Heather J. MacLean Chichester J. MacLean ChichesterDr. Heather Chichester is the director of the Post-Irradiation Examination division at Idaho National Laboratory’s Materials and Fuels Complex. She manages the Hot Fuel Examination Facility (HFEF) and the Neutron Radiography (NRAD) reactor to produce INL nuclear science and technology mission outcomes. She is responsible for strategic planning, work execution, facility operations, prioritization, and personnel development. She holds a Ph.D. in Nuclear Engineering from Massachusetts Institute of Technology and earned her bachelor’s in Nuclear Engineering at University of Wisconsin-Madison. Before coming to INL in 2006, she was a member of the Advanced Fuel Cycle Initiative Techincal Intergration Team at Sandia National Laboratory. Since May 2010 she has been an adjunct faculty member of University of Wisconsin-Madison’s Department of Engineering Physics.<div class="ExternalClassEC3C06B2350244DE985DCFFC60D5063C"><p><span style="font-family:calibri, sans-serif;">B</span><span style="line-height:15.69px;font-family:calibri, sans-serif;font-size:11pt;">achelor’s in Nuclear Engineering, University of Wisconsin-Madison</span><span style="line-height:25.6px;font-size:16px;">​</span>​</p><p><span style="line-height:107%;font-family:calibri, sans-serif;font-size:11pt;">Ph.D. in Nuclear Engineering, Massachusetts Institute of Technology​​​​​​</span></p></div>Nuclear Fuels;Radiation Tolerant Materials of Post-Irradiation Examination
Stephen Johnson JohnsonDr. Stephen G. Johnson is the director of the Space Nuclear Power and Isotope Technologies Division at the Idaho National Laboratory’s Materials and Fuels Complex. Most recently this program fueled, tested and delivered the MMRTG for NASA’s Mars Scientific Laboratory mission. During his tenure, the laboratory has successfully pursued involvement in the Radioisotope Power Systems program. Following that involvement, the fueling and testing of space and terrestrial power systems operations were transferred from Mound Laboratory to the Idaho National Laboratory. He initiated the Technical Integration Office for the DOE’s national Space and Defense Power Systems program. This office focuses on cross-cutting initiatives, mission planning scenarios for nuclear power systems for DOE customers such as NASA, and provides resources for various other needs for DOE’s SDPS department. Johnson holds a bachelor’s degree with a double major in mathematics and chemistry from Lake Superior State University of Michigan and a Ph. D. in physical chemistry from Iowa State University.Space Nuclear Power and Isotope Technologies of Space Nuclear Power & Isotope Technologies
Timothy Hyde HydeTimothy A. Hyde is the Fuel Fabrication and Nuclear Material Management division director at the INL’s Materials and Fuels Complex (MFC). This division is responsible for nuclear facility management of four facilities including two Haz Cat II facilities. The division also has the responsibility to develop new fuel fabrication processes and to fabricate and assemble numerous irradiation experiments. Hyde has bachelor’s and master’s degrees in mechanical engineering. In more than 25 years of research and management, he has worked in a wide range of technical disciplines, including ceramic and metal alloy fuel development, membrane permeability testing, plasma disassociation of hydrocarbons to grow carbon nano-tubes, aerosol particle measurement, magnetic properties measurement, magnetic alloy development and numerous experimental and mechanical design projects<div class="ExternalClass7C4C03ECFAF84595B67CE66B6E1BB871"><p>Bachelor’s and master’s degrees in mechanical engineering</p><br></div>Nuclear;Nuclear Fuels;Nuclear Nonproliferation and Nuclear Forensics of Fuel Fabrication and Nuclear Material Management
Robert Miklos MiklosRobert Miklos is the director of Production Facilities and Infrastructure at Idaho National Laboratory’s Materials and Fuels Complex (MFC). He has more than 30 years of experience in disciplined operations of nuclear and non-nuclear facilities, start-up and testing, integrated safety management and project management of large-scale and complex projects. He is responsible for safe and efficient operations, maintenance and project activities within the Fuel Conditioning Facility (FCF) nuclear facility, nuclear and radiological Treatment Storage and Disposal Facilities (TSDF), BEA Idaho Nuclear Technology and Engineering Center (INTEC), and MFC infrastructure. Prior to joining the INL community, he spent 18 years in large-scale commercial construction, capital asset projects and DOD construction, overhaul and refueling, defueling and decommissioning experience when employed by Newport News Shipbuilding and its subsidiary company, Newport News Reactor Services. He is chair of the Energy Facilities Contractors Group (EFCOG) Project Delivery Working Group (PDWG), and holds undergraduate degrees in engineering from Pennsylvania State University and Old Dominion University. He is a PMI-certified Project Management Professional (PMP) and a Stanford University Certified Project Manager (SCPM). <div class="ExternalClass50009AD7AE7F49AC9BB7ADC6B19231CB"><p>Degrees in engineering from Pennsylvania State University, Old Dominion University</p></div>Fuel Recycling;Nuclear Fuels;Nuclear Nonproliferation and Nuclear Forensics of Production Facilities
Alan Carvo CarvoAlan Carvo has 30 years of experience performing environmental, regulatory, and operations support both in the private sector and for government entities. His work experience includes medical research at the University of Southern California, regulatory oversight and waste management for commercial hazardous waste operations in California and Utah, and environmental supervision and management supporting the Department of Energy at the Savannah River Site in South Carolina, the Hanford Site in Washington, and INL.<div class="ExternalClass465E63C154C34B35AFB9B1DCCE6BA7A8"><p>Bachelor's degree, Biological Sciences, University of California, Irvine </p><p>Master's degree, Industrial Hygiene, Montana Tech<br></p></div> of MFC Safety and Compliance
Doug C. Crawford C. CrawfordAs the Chief Scientist for the Materials & Fuels Complex, Doug Crawford is responsible for implementing strategies to modernize the MFC research capabilities to impact the deployment of advanced nuclear energy technology, foster collaborations with nuclear universities and laboratories, and facilitate delivery of outcomes for industrial partnerships to meet fuels and materials research and development needs. Crawford had previously worked at Argonne National Laboratory-West and INL in increasingly responsible leadership positions, with emphasis on R&D of nuclear fuels and materials. In 2007, Crawford worked at GE Hitachi Nuclear Energy leading engineering teams supporting boiling water reactor customers with fuel technology, reactor systems and components engineering, and reactor plant mechanical analysis. Crawford also worked at Oak Ridge National Laboratory as reactor technology leader and GAIN deputy director before rejoining INL.<div class="ExternalClassBE15B0A145FC421FA437409B4255AAED"><p>Bachelor's degree, metallurgical engineering, University of Idaho, 1984</p><p>Master's degree, nuclear engineering, University of Washington, 1986</p><p>Doctorate, nuclear engineering, University of Michigan, 1991</p><p>MBA, University of Chicago, 2005</p></div><div class="ExternalClass2872474EC15E4D2F82050017EE869314"><p>​Crawford's subject matter expertise includes fast reactor and boiling water reactor fuel performance and design, fuel safety testing and licensing, fuel specification, technical leadership and issue resolution, and nuclear materials storage technology.</p></div><div class="ExternalClass422FB4F9D3DB480198B7604287A0D03E"><div style="color:#222222;font-family:arial, sans-serif;font-size:12.8px;background-color:#ffffff;">Douglas C. Crawford, Douglas L. Porter, Steven L. Hayes, “Fuels for sodium-cooled fast reactors: US perspective,” <em>Journal of Nuclear Materials</em> 371 (2007) 202–231.</div><div style="color:#222222;font-family:arial, sans-serif;font-size:12.8px;background-color:#ffffff;"><br></div><div style="color:#222222;font-family:arial, sans-serif;font-size:12.8px;background-color:#ffffff;">Douglas C. Crawford, Douglas L. Porter, Steven L. Hayes, Mitchell K. Meyer, David A. Petti, Kemal Pasamehmetoglu, “An approach to fuel development and qualification,” <em>Journal of Nuclear Materials</em> 371 (2007) 232–242.</div><div style="color:#222222;font-family:arial, sans-serif;font-size:12.8px;background-color:#ffffff;"><br></div><div style="color:#222222;font-family:arial, sans-serif;font-size:12.8px;background-color:#ffffff;">L. C. Walters, D. L. Porter, and D. C. Crawford, “Nuclear Fuel Considerations for the 21st Century,” International Seminar on Advanced Nuclear Energy Systems Toward Zero Release of Radioactive Wastes, in <em>Progress in Nuclear Energy</em>, Vol. 40, No. 3-4 (2002), pp. 513-521.</div><div style="color:#222222;font-family:arial, sans-serif;font-size:12.8px;background-color:#ffffff;"><br></div><div style="color:#222222;font-family:arial, sans-serif;font-size:12.8px;background-color:#ffffff;">Editor, "Proceedings of the International Symposium on Fuels for Liquid Metal Reactors," Chicago, IL, November 15-20, 1992, published in <em>Journal of Nuclear Materials</em> 204 (1993) 1- 270.</div><div style="color:#222222;font-family:arial, sans-serif;font-size:12.8px;background-color:#ffffff;"><br></div><div style="color:#222222;font-family:arial, sans-serif;font-size:12.8px;background-color:#ffffff;"><div>R.G. Pahl, D.L. Porter, D.C. Crawford, and L.C. Walters, "Irradiation Behavior of Metallic Fast Reactor Fuels," <em>Journal of Nuclear Materials</em> 188 (1992) 3-9.</div><div><br></div><div>D.C. Crawford and G.S. Was, "The Role of Grain Boundary Misorientation in Intergranular Cracking of Ni-16Cr-9Fe in 360°C Argon and High Purity Water," <em>Metallurgical Transactions A</em>, 23A (1992), 1195-1206.</div></div><div style="color:#222222;font-family:arial, sans-serif;font-size:12.8px;background-color:#ffffff;"><br></div><div style="color:#222222;font-family:arial, sans-serif;font-size:12.8px;background-color:#ffffff;"><div>P. Cantonwine, D. Crawford, M. Downs, B. Joe, T. Bahensky, J. Reimer, C. del laHoz, K. Petersen, M. Reitmeyer, J. Morris, A. Zbib, “Channel - Control Blade Interference Management at LaSalle 1 and 2 during 2007 and 2008,” <em>Proceedings of Top Fuel 2009</em>, September 6-10, 2009, Paris, France, Paper 2154.</div><div><br></div><div>D. C. Crawford, R. J. Schneider, and A. A. Lingenfelter, “GNF Fuel Performance Update,” American Nuclear Society 2008 Winter Meeting, Reno, NV, November 9-13, 2008, <em>Trans. Am. Nucl. Soc.</em>, 99 (2008).</div></div><div style="color:#222222;font-family:arial, sans-serif;font-size:12.8px;background-color:#ffffff;"><br></div><div style="color:#222222;font-family:arial, sans-serif;font-size:12.8px;background-color:#ffffff;">D. C. Crawford, A. E. Wright, R. W. Swanson, and R. E. Holtz, “RIA Testing Capability of the Transient Reactor Test Facility,” <em>Proceedings of the IAEA Technical Committee Meeting on Fuel Cycle Options for LWRs and HWRs</em>, Victoria, Canada, May 1998, IAEA-TECDOC- 1122, pp. 99-109.<br></div></div>Nuclear Engineering;Nuclear Fuels Scientist
Tiffany Leavitt LeavittTiffany Leavitt is the director of Business for the Materials and Fuels Complex at Idaho National Laboratory. Tiffany has experience in document and records management, information management, operations, and training. She is a proven leader with a demonstrated ability to bring teams together and successfully complete challenging assignments. Tiffany earned a bachelor’s degree in English from Idaho State University. <div class="ExternalClass2F750A83ED894368960B06CDFCA15248"><p>​Bachelors in English from Idaho State University</p></div> of MFC Business
Bruce Hallbert Hallbert​Bruce Hallbert, Ph.D., is the Director of the Nuclear Safety and Regulatory Research Division. As Division Director, he oversees research and development programs conducted for government agencies, with private industry and industrial partners, and with international organizations. Activities within the division which he oversees include: Digital Instrumentation & Control Systems at nuclear installations, prognostics & diagnostics for process control applications; visualization and modeling for advanced nuclear energy systems; human factors and Human Reliability Analysis; Probabilistic Risk Assessment (PRA); operating experience analyses; and safety analyses of nuclear systems. Dr. Hallbert received his Ph.D. from Vanderbilt University with dissertation research in the Civil and Environmental Engineering Department, specializing in Reliability Engineering. He has numerous publications and technical reports and has held numerous positions including the Research Pathway Lead of Advanced Instrumentation and Controls for the joint DOE-Industry collaborative program of research and development to support long term sustainability of Light Water Reactors. He is a member of the Board of Directors of the International Association of Probabilistic Safety Assessment and Management (IAPSAM), an association that promotes the use and standardization of risk and reliability technologies for use in the development and management of technical systems. He has also served as U.S. Representative to the IAEA Technical Working Group on Instrumentation & Controls for Nuclear Power Plants and is a member of IEEE Power Engineering Society.<div class="ExternalClass1E3E0840392E4CCF873EC3B592FC964E"><p>​Ph.D., Reliability Engineering - Vanderbilt University</p></div><div class="ExternalClassBAE1A967CDDF411AB2798020B0760281"><p>​IEEE Power Engineering Society</p></div> Director