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Our Leadership


NNSA plays a critical role in ensuring the security of our Nation by maintaining the safety, security, and effectiveness of the U.S. nuclear weapons stockpile without nuclear testing; reducing the global danger from the proliferation of nuclear weapons and materials; providing the U.S. Navy with safe and effective nuclear propulsion; and providing the Nation with an effective nuclear counterterrorism and incident response capability.

NNSA's organization chart is here.

Under Secretary for Nuclear Security and NNSA Administrator

Lisa E. Gordon-Hagerty serves as the Under Secretary for Nuclear Security of the U.S. Department of Energy (DOE) and Administrator of the National Nuclear Security Administration.  She was confirmed by the U.S. Senate on February 15, 2018.  With more than 30 years of national security experience, Ms. Gordon-Hagerty is responsible for the management and operations of NNSA in support of President Trump’s and Secretary Perry’s nuclear security agenda.

Chief of Staff and Associate Principal Deputy Administrator

William (Ike) White is the Chief of Staff and Associate Principal Deputy Administrator. He is the primary point of contact within the Office of the Administrator for field office managers and provides leadership and coordination on a wide range of complex operational and technical issues at NNSA sites. White also serves as a member of NNSA’s executive leadership team, providing advice to the Administrator and Principal Deputy Administrator on programmatic and policy issues.

Principal Assistant Deputy Administrator for Defense Programs

Phil Calbos serves as the Principal Assistant Deputy Administrator for Defense Programs for NNSA. He leads a team in directing the Stockpile Stewardship Program, which is responsible for maintaining the safety, security, and reliability of the nation’s nuclear weapons stockpile.

Principal Assistant Deputy Administrator for Defense Nuclear Nonproliferation

David Huizenga is a recognized expert in nonproliferation and nuclear waste management issues, with decades of leadership, management, and technical experience in a wide variety of programs across the Department of Energy (DOE). He currently serves as the Principal Assistant Deputy Administrator for Defense Nuclear Nonproliferation (DNN) at NNSA. In this role,  Huizenga manages DNN’s mission to detect, secure, and dispose of dangerous nuclear and radiological material, and related WMD technology and expertise.

Deputy Administrator for NNSA's Office of Naval Reactors

Admiral James Caldwell received his commission graduating with distinction from the United States Naval Academy in 1981 with a Bachelor of Science in Marine Engineering. He also holds a Master of Science in Operations Research from the Naval Postgraduate School.

Associate Administrator and Deputy Under Secretary for Emergency Operations

Hopkins serves as NNSA’s Associate Administrator and Deputy Under Secretary for Emergency Operations. He is responsible for the Department of Energy’s (DOE) Emergency Management Enterprise, Continuity Programs, and complex-wide Emergency Operations support.

Prior to joining DOE, Hopkins was general manager for Canadian Operations for Trident Maritime Systems, LLC, leading a team to design, engineer, manufacture, and install accommodation systems for commercial and naval ships in North America.

Associate Administrator for Safety, Infrastructure, and Operations

McConnell is the Associate Administrator for Safety, Infrastructure and Operations. He is responsible for overall NNSA safety activities, operations, infrastructure, capital planning, packaging and transportation, nuclear materials integration and sustainment & environmental programs for the NNSA National Security Enterprise. In addition, Mr. McConnell is the NNSA Central Technical Authority responsible for overall safety policy and interpretation throughout NNSA. 

Chief and Associate Administrator for Defense Nuclear Security

Jeffrey R. Johnson is the Associate Administrator for the Office of Defense Nuclear Security and Chief of Defense Nuclear Security for the National Nuclear Security Administration (NNSA). In this role, he is responsible for the development and implementation of security programs for the Administration, including the protection, control and accounting of materials, and for the physical and cyber security for all NNSA facilities.   

Associate Administrator and Deputy Under Secretary for Counterterrorism and Counterproliferation

Since April 2016, Jay Tilden has served as the Associate Administrator for Counterterrorism and Counterproliferation with responsibility in preparing for, responding to, and successfully resolving nuclear and radiological accidents and incidents worldwide.

Associate Administrator for Acquisition and Project Management

With over 30 years of experience in construction management, design management, utilities systems operations, employee development, budgeting and contracting, Robert B. Raines serves as the Associate Administrator for Acquisition and Project Management (APM). 

Raines comes to NNSA from DOE’s Office of Engineering and Construction Management where he served as the Director for Project Management Systems and Assessments since 2008.

Associate Administrator for External Affairs

Nora Khalil was appointed in 2017 as NNSA's Associate Administrator for External Affairs. 

She is the principal advisor to the NNSA Administrator for congressional relations, intergovernmental relations, and public communication strategies in support of the agency's mission. 

General Counsel

Bruce Diamond became the General Counsel for the NNSA in February, 2011.  Before that, Bruce was DOE Assistant General Counsel for Environment, the senior career environmental attorney for the Department dealing principally with complex issues regarding the clean-up of the nuclear complex and implementation of National Environmental Policy Act obligations.  In addition, he was responsible for addressing health and safety issues. Previously, he was a senior corporate official responsible for environmental and occupational health and safety matters for a major energy company.

Associate Administrator for Information Management and Chief Information Officer

Wayne Jones has served the United States of America for since 1981 when he joined the United States Navy. He entered Federal Civil Service as a Department of Defense (DoD) Information Technology Manager in 2002 and served as the Chief Technology Officer for the Missile Defense Agency (MDA).  In 2006, Wayne joined the Department of Energy to continue his service as a Federal Manager for the National Nuclear Security Administration (NNSA).

Associate Administrator for Management and Budget

Randall Hendrickson serves as the Associate Administrator for Management and Budget in NNSA. He is a member of the Senior Executive Service and NNSA's senior career official leading and managing the budget and administrative staffs responsible for enterprise-wide systems and policies. His organization guides and assists the Administrator in all aspects of budget and financial management, business operations, human resources and leadership development, international operations, and quality management performance and analysis.

Manager - Kansas City Field Office

Mark Holecek serves as the Manager for the National Nuclear Security Administration’s (NNSA) Kansas City Field Office (KCFO).  In this position, he has day-to-day responsibility for NNSA operations under the Kansas City Plant contract.  This includes operations in Kansas City, Albuquerque, Los Alamos, and Ft. Chaffee and covers a diverse set of manufacturing and procurement activities for NNSA and national security customers.  Products include electronic, mechanical, and engineered material components.

Manager - Livermore Field Office

Pete Rodrik serves as the Manager of the National Nuclear Security Administration’s Livermore Field Office (LFO).

Mr. Rodrik’s 30 years of experience includes business and contract management for large Federal installations with emphasis on nuclear operations, nuclear security, nuclear safety, environmental management, and sustainability of site facilities and infrastructure.

Manager - Los Alamos Field Office

William S. “Steve” Goodrum is the Manager of the Los Alamos Field Office since Oct. 1, 2017. He is responsible for administering the Los Alamos National Laboratory (LANL) management and operating contract and all Federal activities on the site. He leads a Federal team that oversees management, security, quality assurance, environment, health and safety of the national and nonproliferation security missions at LANL.

Goodrum is a member of the Senior Executive Service and has more than 40 years of experience in the National Security Enterprise.

Steven Lawrence
Manager - Nevada Field Office

Steven J. Lawrence is the Manager of the U.S. Department of Energy (DOE), National Nuclear Security Administration (NNSA) Nevada Field Office. Prior tobeing named Manager, he served as Acting Manager and Deputy Manager.

Geoff Beausoleil
Manager - NNSA Production Office

Geoffrey L. (Geoff) Beausoleil is the Manager for the National Nuclear Security Administration (NNSA) Production Office (NPO).  In this capacity, he is responsible for the overall administration of the Management and Operating Contract for the Pantex and Y12 Plants, the day-to-day administration of the NPO, and oversight of Plant operations.  The mission of the Y12 and Pantex Plants is to maintain the nuclear weapons stockpile; provide enriched uranium for naval, research, and isotope production reactors; and support nonproliferation activities to reduce the global nuclear threat.

Jeffrey Harrell
Manager - Sandia Field Office

Jeffrey P. Harrell, Colonel, United States Air Force (retired), is the Manager for the Department of Energy’s National Nuclear Security Administration (NNSA) Sandia Field Office (SFO). As Manager, he is responsible for the overall administration of the Sandia National Laboratories (SNL) Contract (~$2.5B/year), the day-to-day administration of the SFO, and oversight of Laboratory operations. The mission of the Sandia National Laboratories is Stockpile Stewardship and National Security Research and Development.

Nicole Nelson-Jean
Manager - Savannah River Field Office

Nicole Nelson-Jean is the Manager of NNSA's Savannah River Field Office, where she oversees a Federal team and provides oversight for the management, security, quality assurance, environment, health, safety, nonproliferation and national security missions for the Savannah River Site. Previously, she was Manager of the Livermore Field Office, where she managed a similar portfolio for Lawrence Livermore National Laboratory. She is a member of the Senior Executive Service.