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Vice Admiral John J. Grossenbacher (Ret.), Laboratory Director
Mr. Grossenbacher is the Director of the Idaho National Laboratory and President of Battelle Energy Alliance, LLC (BEA). His credentials and experience include leadership and management of large institutions with substantial efforts focused on technology research and development. Before joining Battelle, Mr. Grossenbacher had a distinguished career with the U.S. Navy, achieving the rank of Vice Admiral and Commander of the U.S. Naval Submarine Forces. He earned a bachelor of science degree in Chemistry from the U.S. Naval Academy, and he holds a master of arts degree in International Relations from the Johns Hopkins University. In addition, he completed the Harvard University Graduate School of Business Administration Program for Management Development. He is a leader with a refined sense of strategy, an in-depth technical knowledge and a focus on delivering results. He is one of only a handful of officers in U.S. Navy history to be awarded both the Stockdale and David Lloyd Awards for Leadership Excellence. As Commander of the U.S. Naval Submarine Forces, Vice Admiral Grossenbacher led the integration and consolidation of the U.S. Navy's Atlantic and Pacific submarine forces. He is noted for his ability to build and lead multi-disciplinary teams, to meet complex science and technology challenges, and to achieve success in developing and sustaining collaborative relationships with multiple stakeholders. 

Mr. Juan Alvarez, Deputy Laboratory Director - Management
With 21 years of exemplary leadership and management providing facility and site support services for nuclear and non-nuclear facilities, Mr. Alvarez has demonstrated award-winning experience in facility management within a laboratory environment. In his INL role as deputy lab director for Management, he has overall leadership responsibility for effective implementation of major functional management and business transformation efforts. He holds a bachelor's degree in mathematics and secondary education from the University of Miami and a master's degree in industrial technology from the University of Idaho.

Dr. Todd Allen – Deputy Laboratory Director - Science & Technology
Dr. Todd Allen is deputy laboratory director for Science & Technology. He has been a professor in the Department of Nuclear Engineering and Engineering Physics at the University of Wisconsin–Madison since 2003. Dr. Allen’s research expertise is in the area of materials-related issues in nuclear reactors, specifically radiation damage and corrosion. His research interests also include energy policy and the sustainability of nuclear energy. From 2008 through 2012, he was the scientific director for the Advanced Test Reactor National Scientific User Facility at INL, a position he held in conjunction with his faculty position at the University of Wisconsin. Dr. Allen is director of the Center for Material Science of Nuclear Fuel, a Department of Energy Office of Science Energy Frontier Research Center at INL, and was previously the director of INL Fuels and Materials CORE of the Institute of Nuclear Energy, Science and Technology. He served as a nuclear-trained submarine officer and is a retired Navy captain. He earned a doctorate in nuclear engineering from the University of Michigan in 1997 and began his research career at Argonne National Laboratory-West in Idaho Falls. He holds a master's degree in nuclear engineering from the University of Michigan, a master's degree in information management from George Washington University, and a bachelor’s degree in nuclear engineering from Northwestern University.

Dr. Kelly Beierschmitt, Deputy Laboratory Director - Nuclear and Laboratory Operations
With more than 26 years of experience in engineering, nuclear and materials research & development, production, and operations management, Dr. Beierschmitt is the deputy laboratory director for Nuclear and Laboratory Operations at INL. Previously, he was responsible for the management of Oak Ridge National Laboratory’s neutron sciences R&D portfolio, including the operation of the Spallation Neutron Source, the world’s most powerful pulsed neutron source, and the High Flux Isotope Reactor. He also was ORNL director of Environment, Safety, Health and Quality. He has worked at the Pantex Plant and Pacific Northwest National Laboratory. He holds a doctorate in industrial engineering (risk, reliability engineering) from Texas Tech University and a bachelor’s degree in engineering mathematics from West Texas A&M University. He is a registered professional engineer and a member of the American Nuclear Society and other professional societies.

Mr. Art Clark, Director of Nuclear Assurance 
With 40 years of experience in leadership and management of large nuclear operations, Mr. Clark is director of Nuclear Assurance. In this position, he helps strengthen INL's self-assessment and assurance activities for the Advanced Test Reactor and other major nuclear facilities. Mr. Clark has demonstrated leadership and line-management accountability for safety with achievement of VPP Star Status at two U.S. Department of Energy facilities. A former Rear Admiral in the U.S. Navy, he received numerous honors and awards during his military career. He holds a master's degree in industrial management from George Washington University and a bachelor's degree in mechanical engineering/marine engineering/Navy architecture from the Virginia Polytechnic University.

Dr. Phillip Finck, Chief Scientist
Dr. Finck is an internationally recognized expert in advanced reactor and fuel cycle systems. He is noted for his technical leadership in reactor design and analysis, code development and validation, nuclear data, and more recently, in systems analysis. Prior to joining Idaho National Laboratory, Dr. Finck worked at Argonne National Laboratory, where he was the associate laboratory director for Applied Science and Technology. Dr. Finck received his doctorate in nuclear engineering at MIT in 1982, and earned a Master of Business Administration from the University of Chicago. Dr. Finck is a Fellow in the American Nuclear Society.

Dr. Kemal Pasamehmetoglu, Associate Laboratory Director -- Nuclear Science & Technology
Dr. Pasamehmetoglu holds a doctorate in mechanical engineering from the University of Central Florida and has more than 25 years of research engineering experience within the national laboratory system. He has been with INL since 2004, most recently serving as the division director of Nuclear Fuels and Materials in the INL Nuclear Science & Technology Directorate. Prior to his time at INL, he held senior technical leadership positions at Los Alamos National Laboratory. Dr. Pasamehmetoglu also serves as the national technical director (NTD) for Fuel Cycle Research and Development in the Advanced Fuel Cycle Initiative. During his tenure as a division director and as a NTD he has transformed nuclear fuels capabilities in the nation and at INL into world-leading endeavors, and he has brought the laboratory very significant recognition.

Dr. Steven Aumeier, Associate Laboratory Director -- Energy and Environment Science & Technology
Dr. Steven Aumeier has more than 25 years of experience in engineering research, national laboratory business development, and the leadership and management of diverse professional groups and projects focused on energy and national security technologies. He is the author or co-author of 45 technical papers and reports. Dr. Aumeier earned doctorate and master's degrees in nuclear engineering from the University of Michigan, an MBA from the University of Chicago, and a bachelor's degree in general engineering from Idaho State University. He is active in academic and public service, leading or participating with numerous academic advisory boards and state energy initiatives.

Mr. Brent Stacey, Associate Laboratory Director - National & Homeland Security Science and Technology
Mr. Stacey brings many years of strategic leadership to the N&HS Directorate. He has a proven track record of setting high standards, establishing a vision for organizations, and success in both new and turnaround environments, including the expansion of INL's high-performance/scientific computing, and classified and unclassified cybersecurity. He represented energy laboratories in the rewrite of DOE Order 205.1B, enabling DOE transition from compliance-based cybersecurity to a risk-based approach. He was recognized as Idaho's Information Technology Executive of the Year in 2002 for his leadership and was inducted into the international CIO Hall of Fame in 2010. Mr. Stacey is on the National Laboratory CIO organization's Executive Council, chartered to share best practices and to help establish governance and standardization of information management organizations across the DOE complex. He is a member of the DOE Information Management Advisory Group. During his time as CIO, he was instrumental in helping to create the Idaho Regional Optical Network, a nonprofit organization chartered to advance science, research, education, health care and state government through access to very-high-speed and cost-effective bandwidth.

Ms. Sharon Dossett, Director - Environment, Safety and Health
With more than 20 years of experience in environment, safety, health and quality, Ms. Dossett leads INL's Environment, Safety and Health Directorate. She previously served as vice president of Environment, Safety, Health and Quality at Battelle Columbus Operations. Prior to her role there, she was Safety and Health Department manager at Pacific Northwest National Laboratory. She has an extensive background in radiological control as well as industrial hygiene and occupational safety. A certified safety professional and a certified health physicist, she earned a bachelor's degree in engineering physics at Pacific Lutheran University and a master's degree in health physics at the Georgia Institute of Technology.

Ms. Denise Stephens, Director - Chief Information Officer, Information Management
Ms. Stephens joined Idaho National Laboratory as deputy chief information officer in May 2011. Ms. Stephens previously worked for Savannah River Nuclear Solutions in Aiken, S.C., where she served as the technical director and project information manager for a multibillion-dollar construction project for the NNSA. Prior to that, she was the chief information officer for Washington Savannah River Company, LLC and led the information management, technology and telecommunications functions for the Savannah River Site for more than 10 years. She has a master's degree in business administration from the University of Missouri.

Mr. Wray Landon, Director - Applied Engineering
Mr. Landon has over 40 years of experience in the nuclear industry, including submarine nuclear propulsion plant design and construction at General Dynamics-Electric Boat, and engineering and technical support for Department of Energy nuclear facilities at INL. He is a qualified lead assessor, has participated in and led numerous management and start/restart assessments, and is the chairman of the INL ALARA Committee. He is a registered professional engineer in Idaho and responsible for the BEA Certificate of Authorization to practice professional engineering. He holds a bachelor’s degree in mechanical engineering from the Polytechnic Institute of New York University, and a Master of Business Administration from the University of New Haven.

Mr. Mike Love -- Director of Programs - Advanced Test Reactor Complex
With 34 years of experience in nuclear power plant management, maintenance, training and operations, Mr. Love brings a wealth of leadership experience to his role as Director of Programs at the Advanced Test Reactor Complex. Prior to joining INL in 2007, he held senior management positions in the nuclear industry in California, where he managed several multimillion-dollar projects. He has completed several transshipment campaigns of spent nuclear fuel and has extensive experience in both Westinghouse and Combustion Engineering reactor refueling operations. He is a graduate of the Institute of Nuclear Power Operations (INPO) Senior Nuclear Plant Management course. Mr. Love received his bachelor’s degree from National University and his MBA from Pepperdine University’s Presidents and Key Executives MBA program. .

Mr. Doug Johnson -- Director of the Materials and Fuels Complex
Mr. Johnson joined INL in November 2006, and served from 2007 to 2010 as the director of the Advanced Test Reactor Program. He also served as director of INL’s Program Integration Office, and has been the chairman of the National Scientific User Facility Working Group. Before joining INL, he was a special assistant to the president of BWXT (now Babcock and Wilcox) Technical Services Division in Lynchburg, Va. He completed a range of special assignments across the DOE complex, including Savannah River, the Bettis Laboratory, NNSA production sites at Y-12 and the Pantex Plant, Los Alamos National Laboratory, the Nevada Test Site and the Pacific Northwest National Laboratory. And before joining B&W in September 2004, he served for 28 years as a Navy submarine officer. Mr. Johnson earned a bachelor's degree in chemistry from the College of William and Mary, and a master's degree in national security and strategic studies from the U.S. Naval War College.

Mr. Dennis Newby, Director - Business Management, Chief Financial Officer
Mr. Newby has more than 25 years of professional experience involving national laboratories, including years spent supporting Pacific Northwest National Lab, Oak Ridge National Lab and Battelle Memorial Institute. His financial expertise and national laboratory experience allow him to support INL's critical initiatives. Mr. Newby has a bachelor's degree in finance from Central Washington University in Ellensburg, Wash.

Ms. Amy Lientz, Director - Communications & Governmental Affairs
With 20 years of DOE and commercial nuclear industry experience, Ms. Lientz leads governmental affairs, media relations, public outreach and employee communications with oversight of teams in Washington, D.C., Idaho Falls and Boise. She has worked in management positions in Idaho, Los Alamos, Denver and Hanford. With CH2MHill, Ms. Lientz served as the Idaho Cleanup Project's vice president for Communications and Governmental Affairs before taking a job at the Hanford site, where she served as vice president for Strategic Planning and Outreach for the Central Plateau Project. She worked as a program manager in the commercial nuclear industry where she led the nation's first early site permit and application for a new reactor for Exelon Corporation. Ms. Lientz has served as the president of many not-for-profit community organizations. She is a north Idaho native and has a bachelor's degree in environmental science from Boise State University and a master's degree in industrial engineering from University of Idaho.

Mr. Fredrick Pieper, Director - Internal Audit
Mr. Pieper brings 18 years of auditing experience within the Department of Energy to BEA's Internal Audit Function. As a senior executive with the Department of Energy Office of Inspector General, Mr. Pieper was responsible for all program, performance and management control audits for the DOE's Science and Environmental operations. He holds a bachelor's degree in accounting from the University of Nevada, Las Vegas and is a Certified Public Accountant. Prior to his work at the Department of Energy, he worked for the Defense Contract Audit Agency.

Mr. Carlo Melbihess, Director - Facilities and Site Services
He leads an organization of some 600 employees providing a wide range of facility and support services across the INL. These services include facility operations and maintenance; roads and grounds; infrastructure planning; construction services; skilled crafts; the INL fleet and its maintenance and repair activities; machine shops and precision manufacturing services; landfill operations; and food services (subcontracted). Mr. Melbihess is a career Battelle employee. He has 17 years of experience managing a wide variety of laboratory support functions such as facilities management, operations and maintenance, fabrication, roads and grounds services, facility design, construction, renovation and demolition project management, and, laboratory protection and security services. Prior to joining INL, Mr. Melbihess worked in facilities and operations directorates at the U.S. Department of Energy's Pacific Northwest National Laboratory, Oak Ridge National Laboratory and Brookhaven National Laboratory. Most recently, he was the deputy assistant laboratory director for Facilities and Operations at Brookhaven National Laboratory. He holds a bachelor's degree in civil engineering from the University of Washington in Seattle, and is a certified facility manager through the International Facility Manager Association.

Ms. Linda Guinn Montgomery - General Counsel
Ms. Guinn Montgomery has more than 27 years of Department of Energy experience, both operational and legal. She began her career as a health physics technician at the Idaho Chemical Processing Plant at INEL, running the routine bioassay program. Later at INEL, she became an environmental attorney for EG&G in the early 1990s. In the intervening years, she worked at Rocky Flats Technology Site and supported work at the Hanford site, the Waste Isolation Pilot Plant, Yucca Mountain National Repository, Uranium Mill Tailings Remediation Actions, Weldon Spring Closure Project, Mound Closure Project, Oak Ridge National Lab, West Valley Project, Los Alamos National Lab, Sandia National Lab, DOE headquarters and the Nevada Test Site. Most recently, she was general counsel for Savannah River Nuclear Solutions. Before that, she served as assistant general counsel for Fluor Corporation in support of its Government Group. Ms. Guinn Montgomery earned both a bachelor's degree in biology/ecology and a juris doctorate degree from the University of Kansas. She also has a technical degree in radiation safety. She is a charter member of the DOE Contractor Attorneys Association.

Mr. Thomas Middleton, Director -- Laboratory Protection
With an extensive track record in developing successful organizations through the establishment of goals, management expectations and employee accountability, Mr. Middleton has responsibility for aligning the Laboratory Protection Directorate with the INL Strategic Plan. The four Laboratory Protection departments are Security Systems, Protective Force, Emergency Services, and Security Programs and Services. A laboratory employee since 1991, he has held management positions in physical security, safeguards and personnel security, protective force, security and emergency services, and Facilities & Site Services. Before joining the lab, Mr. Middleton served six years as a special agent with the U.S. State Department Bureau of Diplomatic Security, including a position at the American Embassy in Guatemala. He is a martial artist and holds a third-degree black belt in Tae Kwon Do, and earned a bachelor's degree from Virginia Polytechnic University.

Mr. Mark Holubar, Director - Human Resources & Diversity
With over 25 years of experience in human resources leadership positions in various corporations -- from small privately held organizations to several Fortune 500 corporations -- Mr. Holubar brings a strong background in HR and diversity to the INL team. His background of success involves all areas of human resources with an emphasis on leadership assessment and development, organizational assessment, talent assessment and recruiting, employee engagement, employee relations and strategic planning. Early in his career, Mr. Holubar also held leadership positions in operations management. In his position as the director of Human Resources and Diversity, he will lead the HR function through the transformation of Idaho National Laboratory to its vision to be the world's pre-eminent nuclear energy laboratory. Mr. Holubar holds a bachelor's degree in economics from the University of Wisconsin - Oshkosh.

Mr. Randall Bargelt, Director -- Project Management Office
Mr. Bargelt has extensive experience in program/project management, waste management, environmental restoration and strategic planning in the United States and the United Kingdom. He began his career in the precious metals exploration industry before coming to INL in 1990. He held previous positions at INL as a project manager, environmental restoration director, and chief of staff for the laboratory director. From 2001 to early 2005, he was the Program Integration director for Bechtel BWXT Idaho, and then worked as the program director for the Nuclear Decommissioning Authority, which decommissions and cleans up nuclear facilities in the UK. He returned to INL in 2010 and served as Essential Programs Support acting director, and Nuclear Support Programs and Projects acting director. Mr. Bargelt holds a bachelor’s of science degree in geology from the University of Southern Oregon.

Mr. Steven McMaster, Director - Technology Deployment
A certified licensing professional with significant experience managing the development, licensing and commercialization of promising innovations, Mr. McMaster is director of Technology Deployment for Idaho National Laboratory. He joined INL in 2010 as senior commercialization manager supporting National and Homeland Security. Before coming to INL, he was manager of business development and technology licensing at the Mayo Clinic in Rochester, Minn., where he worked with medical researchers, engineers, software developers and clinicians to advance a variety of promising medical technologies. He previously worked as a technology licensing associate in Utah State University's technology transfer office, and earlier served as the university's chief procurement officer and legal counsel. He holds juris doctor and bachelor's degrees from the University of Utah.

Mr. John Bumgardner, Director - Resumption of Transient Testing
With 28 years of experience in project, operations and maintenance management, Mr. Bumgardner has a broad depth of leadership and knowledge of nuclear facilities. He is responsible for resumption of transient testing, including the potential restart of the TREAT (Transient Reactor Experiment and Test Facility) reactor. Before joining INL, he served as US ITER (International Thermonuclear Experimental Reactor) Nuclear Systems Division director at Oak Ridge National Laboratory. He also served as the plant manager of the High Flux Isotope Reactor at ORNL, and was the cold source project completion manager. Earlier, he was project manager of facility transition and legacy management at Pacific Northwest National Laboratory. He managed 19 commercial nuclear reactor outages at South Texas Project. Mr. Bumgardner has a senior reactor operator license, a control room supervisor certification for the DOE's N Reactor, and is a Nuclear Regulatory Commission-certified pressurized water reactor examiner and a certified project management professional. He holds a Bachelor of Science in mechanical engineering from Oregon Institute of Technology and a Master of Science in project management from City University.



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DOE Office of Nuclear Energy
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