Our Team

NRIC Leadership

Brad Tomer

Director

Adrian Collins

Deputy Director and Chief Program Officer

Sam Reiss

Department Manager

Josh Gillespie

Chief Operating Officer

Sanjay Mukhi

Collaboration Management and Maritime Technical Program Manager

NRIC Team

Alexander Winston

Technical Program Manager

Radiant

AnnMarie Marshall

Configuration Management Manager

Brandon Bolach

Technical Program Manager

MSTEC

Cayla MacCheyne

Technical Program Manager

DOME Ecosystem, Natrium, General Atomics

Caysie Marshall

Technical Program Manager

Natrium, Valar Atomics

Chris Turner

Technical Program Manager

Nuclear Energy Launch Pad, BWXT, Risk Management

Colt Schofield

Technical Program Manager

Maritime

Curtis Nielsen

Technical Program Manager

DOME Ecosystem, SEED

Jacob Rymer

Technical Program Manager

LOTUS, Regulatory Risk Reduction

Jacque Raines

Technical Program Manager

DOME Construction, Standard Nuclear

Joelyn Hansen

Communication Liaison

Katlyn Mitchell

Configuration Management Coordinator

Luke Voss

Technical Program Manager

Antares, Advanced Construction, X-energy

Marvin Fielding

Technical Program Manager

Westinghouse, Maritime

Nelly Olivas

Administrative Assistant

Tom Gualtieri

Technical Program Manager

Aalo, Deployable Energy

Thomas Folk

Technical Program Manager

Digital Engineering, VTB, Creep Frames, Oklo

Salome Owusu-Achampong

Configuration Management Coordinator

Chance Price

Technical Program Manager

DOME Construction

Allen Fetter

Sr. Project Manager

Brad Tomer

Director, Chief Operating Officer

As the Director of NRIC, Brad oversees daily operations and ensures alignment with its objectives. His tenure as Chief Engineer for GE Oil and Gas provided him with an understanding of engineering principles in industrial settings. Additionally, Brad’s experience as COO and Director of Major Demonstrations at the National Energy Technology Laboratory gave him expertise in managing large-scale initiatives and collaborating with diverse stakeholders. Brad’s background and leadership skills support NRIC’s initiatives, ensuring operational effectiveness and strategic progress towards its mission.

Adrian Collins

Deputy Director and Chief Program Officer

Adrian has more than 35 years of experience with INL, working at the Materials and Fuels Complex and the Advanced Test Reactor in various individual and management roles. He has also contributed to and overseen other significant INL programs and projects, including the recent Versatile Test Reactor project.

Sam Reiss

Department Manager

Sam supports and manages the NRIC technical program managers. He  previously supported NRIC’s reactor developers, including Oklo, BWXT, Aalo, and NanoNuclear, before being promoted to manager. He spent seven years developing products and engineering at 3M. Reiss earned a bachelor’s degree in nuclear engineering and master’s degrees in nuclear engineering and engineering physics from the University of Wisconsin – Madison. He is pursuing an MBA from the University of Indiana – Bloomington.

Josh Gillespie

Technical Program Manager

Josh is a technical program manager for NRIC with experience in engineering and nuclear facility operation. He oversees the delivery of Demonstration of Microreactor Experiment (DOME) projects and the completion of the Molten Salt Thermophysical Examination Capability (MSTEC) shielded modular hot cell. Josh holds a B.S. in Electrical Engineering from Brigham Young University and an M.Engr. from the University of Idaho. He is a certified Project Management Professional (PMP). Before joining NRIC, Josh spent nearly two decades at the Naval Reactors Facility in various engineering and operations roles.

Alexander Winston

Technical Program Manager

Alex oversees the deployment of the Radiant Kaleidos Demonstration Unit at DOME, aligning customer and INL needs for a smooth installation and testing process. With 11 years at INL, he started at the Materials and Fuels Complex, conducting microstructural post-irradiation examinations (PIE) research and project management. He previously managed the US High Performance Research Reactors Program, coordinating fuels experiments and working with INL and Belgian Nuclear Research Center personnel. Alex holds a B.S. in Materials Science Engineering from Purdue University.

AnnMarie Marshall

Configuration Management Manager

AnnMarie, with over 20 years of Configuration Management experience, is the NRIC Manager of configuration management overseeing implementation of Configuration Management programs and related activities for NRIC projects and initiatives as well as the Molten Chloride Reactor Experiment (MCRE) and the Pele project. Prior to joining NRIC, AnnMarie was the Manager of Configuration Management at GE-Hitachi in New Plant Projects and the Infrastructure Programs Manager for the Global Laser Enrichment (GLE) Project.

Brandon Bolach

Technical Project Manager

In his role, Brandon advances nuclear technology by supporting customer programs and strategic initiatives. He collaborates with teams on advanced reactors, fuel development, and materials research, shaping the future of nuclear energy. He specializes in navigating nuclear labs and DOE, accelerating innovation worldwide.

Brandon joined INL in 2025 as a Laboratory Manager and Project Manager for the National and Homeland Security Directorate. Previously, he served eight years in the US Navy as a Nuclear Surface Warfare Officer on USS KIDD (DDG-100) and USS Nimitz (CVN-68), completing the Navy’s Nuclear Officer Training Program and earning certification as a Professional Nuclear Engineering Officer.

He holds a B.S. in Geophysics and Geophysical Engineering from the Colorado School of Mines (2016) and an MBA from the Kenan-Flagler Business School at the University of North Carolina (2024).

Cayla MacCheyne

Technical Program Manager

Cayla is a licensed Chemical Engineer with 15 years of experience in operations management and project leadership. She has directed major initiatives for industry leaders including Anheuser-Busch and McCain Foods, driving improvements in efficiency, quality, and performance. She brings to NRIC a proven ability to manage complex projects and foster productive partnerships that keep projects aligned and moving forward.

Caysie Marshall

Technical Program Manager

Caysie  supports the advancement of TerraPower’s Natrium Demonstration Reactor through research and development (R&D) initiatives. In this capacity, Caysie leads multi-discipline teams focused on nuclear fuels and materials research to support next generation nuclear power. With a decade of experience at INL, Caysie has spent the last three years at the Materials and Fuels Complex (MFC) managing the Advanced Fuel Fabrication R&D project for Natrium. Caysie has a B.S in Industrial Technology and an M.S in Technology Management from the University of Idaho.

Chris Turner

Technical Program Manager

Chris drives a variety of customer programs and initiatives to advance nuclear industry technology and developments.  He leads multidisciplinary teams focused on nuclear reactors, fuels, and materials research, guiding customers to develop and deploy nuclear energy solutions globally. Chris joined INL in 2020, initially working in the Nuclear Science and Technology directorate’s Nuclear Fuels and Materials Testing group, overseeing nuclear fuel and material testing at the Advanced Test Reactor. Before INL, Chris spent a decade in the oil and gas industry as an engineer, project manager, and manager of projects, managing multidisciplinary teams across the United States. He also served four years in the U.S. Navy and holds a bachelor’s in mechanical engineering with a focus on nuclear engineering from the University of Utah.

Colt Schofield

Technical Project Manager

Colt leads efforts to advance the use of nuclear energy in maritime applications. He works at the intersection of policy, industry, and technology — aligning Department of Energy Office of Nuclear Energy (DOE-NE) priorities with industry partners and regulatory stakeholders, coordinating technical activities, and connecting organizations with the full range of national laboratory capabilities to accelerate deployment.

Before joining INL, Colt served 21 years as a nuclear-trained submarine officer in the United States Navy, where he led and oversaw the operation and maintenance of naval nuclear propulsion systems.

Colt holds a Bachelor of Science in Mechanical Engineering with a minor in Mathematics and a Master of Science in Mechanical Engineering, both from the Naval Postgraduate School.

Curtis Nielsen

Technical Program Manager

Curtis currently serves NRIC as a technical program manager responsible for NRIC’s collaboration initiatives work package as well as helping NRIC with new and irradiated fuel management and ensuring timely and efficient delivery of Demonstration of Microreactor Experiment (DOME) projects that support the next generation of advanced reactors. Prior to NRIC, Curtis worked 16 years at the Naval Reactors Facility in Spent Fuel Packaging and Storage.

Jacob Rymer

Technical Program Manager

Jacob brings 10 years of experience to NRIC where he serves as a technical program manager for LOTUS design and construction, National Environmental Policy Act (NEPA) and siting evaluation activities, and regulatory and economic risk reduction. He is dedicated to assisting advanced nuclear reactor companies demonstrate their novel designs to advance nuclear energy generation within the United States.

Jacque Raines

Technical Program Manager

Jacque is a technical program manager for NRIC overseeing construction and support of the delivery of Demonstration of Microreactor Experiments.  She holds a BS in Mechanical Engineering from Iowa State University and M.Engr in Mechanical Engineering from University of Idaho. Her previous experience includes projects related to engineering and facility modification at Naval Reactors Facility for eight years and Arizona Public Service for four years.

Joelyn Hansen

Communication Liaison

Joelyn oversees the creation and management of content that showcases the activities and achievements of the NRIC team across various communication platforms. She implements strategic communication plans that align with NRIC’s mission objectives, manages media and public relations, ensures effective internal communications, and acts as a liaison for industry developers and stakeholders. Joelyn brings over 20 years of experience in strategic communications, media and public relations, event coordination, and marketing. She holds a Bachelor’s and Master’s degree in Communication from Washington State University.

Katie Mitchell

Configuration Management Coordinator

Katie serves as a Configuration Management Coordinator for NRIC, where she plays a pivotal role in providing configuration management support to the Molten Chloride Reactor Experiment project as well as NRIC’s test beds, and DOME and LOTUS. Katie has obtained her MBA, specializing in engineering management.

Luke Voss

Technical Program Manager

Luke brings 14 years of experience to NRIC. His journey began as a nuclear engineer at the Department of Defense (DoD), where he played a role in overhauling power plants on aircraft carriers and submarines. Through this hands-on experience, Luke acquired the specialized knowledge and skills crucial for the development of the next generation of reactors.

Marvin Fielding

Program Manager
Marvin Fielding is a civil engineer with 22 years of experience in consulting. Marvin supports NRIC’s Maritime activities and provides project support on the NRIC DOME. Marvin’s experience is mainly in planning, designing, and managing the construction of municipal water, wastewater, and transportation infrastructure. Marvin’s expertise spans all project phases, from initial concepts to final implementation.

Nelly Olivas

Administrative Assistant

As NRIC’s administrative assistant, Nelly plays a crucial role in facilitating the organization’s mission of advancing reactor development. She provides vital support to program leadership, ensuring smooth operations and effective coordination of tasks.

Tom Gualtieri

Technical Program Manager

Tom supports Aalo and Deployable Energy and is focused on advancing nuclear industry technology and developments. He holds a B.S. in material science & engineering and an M.S. in mechanical engineering from Washington State University. Before joining NRIC, Tom worked for eight years at General Dynamics, where he developed and tested defense products like rocket motors, artillery projectiles, and guidance kits. He brings skills in project engineering, product development, and team leadership to NRIC.

Thomas Folk, Ph.D.

Experiment Design Engineer

Thomas supports the Oklo program, which aims to deploy the first Aurora-INL Powerhouse.. He also manages the Virtual Test Bed (VTB) and Digital Engineering projects, focused on accelerating the deployment of new reactor concepts through advanced modeling and simulation tools and data-centric engineering methodologies. Thomas holds a B.S. in nuclear engineering from N.C. State University, and an M.S.E and Ph.D. in nuclear engineering from the University of Michigan.