Our Leadership

The 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.

For the new NNSA organization chart, click here.

Our Leadership

Lieutenant General Frank G. Klotz, USAF (Ret)

Under Secretary for Nuclear Security and NNSA Administrator

Lieutenant General Frank G. Klotz, United States Air Force (Ret), was confirmed by the Senate on Tuesday, April 8, 2014, as the Department of Energy’s Under Secretary for Nuclear Security and Administrator for the National Nuclear Security Administration (NNSA).

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Our Leadership

Madelyn Creedon

NNSA Principal Deputy Administrator

Madelyn Creedon was confirmed by the Senate on Wednesday, July 23, 2014, as the Department of Energy’s (DOE) Principal Deputy Administrator for the National Nuclear Security Administration (NNSA).

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Anne Harrington

Anne Harrington

Deputy Administrator for Defense Nuclear Nonproliferation

Anne Harrington was sworn in as Deputy Administrator for Defense Nuclear Nonproliferation for the National Nuclear Security Administration in October 2010. Previously, Ms. Harrington was the Director of the U.S. National Academy of Sciences Committee on International Security and Arms Control (CISAC) a position she held from March 2005 to October 2010.

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Deborah Wilber

Deborah Wilber

Associate Administrator for Emergency Operations

Deborah Wilber is the Associate Administrator for the Office of Emergency Operations, National Nuclear Security Administration (NNSA). In this role, she is responsible for emergency management policy and execution of emergency management support, to include the Continuity of Operations and Government programs, the Headquarters and Alternate Emergency Operations Centers, and the Emergency Communications Network across the Department of Energy's complex. 

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Our Leadership

James McConnell

Associate Administrator for Safety, Infrastructure, and Operations

Mr. 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. 

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Our Leadership

Jeffrey R. Johnson

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.  

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Dr. Steven Aoki

Dr. Steven Aoki

Associate Administrator and Deputy Under Secretary for Counterterrorism and Counterproliferation

Steven Aoki is the Associate Administrator and Deputy Under Secretary for Counterterrorism and Counterproliferation.  In this position, Dr. Aoki is responsible for coordinating counterterrorism policy throughout the U.S. Department of Energy. Much of the focus of the department’s counterterrorism efforts centers on the nuclear security enterprise, but also cuts across many organizations in the DOE.

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Robert B. Raines

Robert B. Raines

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). Bob 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. 

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Clarence T. Bishop

Clarence T. Bishop

Associate Administrator for External Affairs

Clarence T. Bishop serves as Associate Administrator for External Affairs.  In this role, he is responsible for managing NNSA's Congressional Affairs, Public Affairs, and Intergovernmental Affairs efforts to effectively communicate, promote and defend the NNSA's mission, goals and budget.

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Bruce Diamond

Bruce Diamond

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.

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Our Leadership

Wayne Jones

Associate Administrator for Information Management and Chief Information Officer

Wayne currently serves as the Associate Administrator for Information Management, Chief Information Officer (CIO), and Chief Information Security Officer (CISO) for the NNSA. In this role he is accountable for managing and implementing all operational, technical, and administrative functions in support of NNSA Cybersecurity and Information Management Program.

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Our Leadership

Randall M. Hendrickson

Associate Administrator for Management and Budget

Randall Hendrickson is a member of the Senior Executive Service and serves as the Associate Administrator for Management and Budget in the National Nuclear Security Administration (NNSA). He is the Senior Career official leading and managing the budget and administrative staffs responsible for enterprise-wide systems and policies at NNSA.

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Mark Holecek

Mark Holecek

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

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Our Leadership

Nicole Nelson-Jean

Manager - Livermore Field Office

A member of the Senior Executive Service, Nicole Nelson-Jean is the Manager at the Department of Energy (DOE) National Nuclear Security Administration (NNSA) Livermore Field Office (LFO) where she oversees a Federal team of 85 employees and provides oversight for the management, security, quality assurance, environment, health, safety, nonproliferation and national security missions at Lawrence Livermore National Laboratory (LLNL).

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Kim Davis Lebak

Kim Davis Lebak

Manager - Los Alamos Field Office

Kim Davis Lebak joined the Los Alamos Field Office in January 2014 as Field Office Manager, serving the Department of Energy’s National Nuclear Security Administration (NNSA). As manager, she is responsible for administering the $2 billion Los Alamos National Laboratory (LANL) management and operating contract and all federal activities on the site.

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Our Leadership

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 to being named Manager, he served as Acting Manager and Deputy Manager. 

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Our Leadership

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.

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Our Leadership

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.

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Our Leadership

Doug Dearolph

Manager - Savannah Field Office

Mr. Douglas James Dearolph is the DOE Manager for the National Nuclear Security Administration’s (NNSA) Savannah River Field Office (SRFO).  In this position, he is responsible for enabling NNSA programmatic work at the Savannah River Site (SRS), Aiken, South Carolina.  The SRFO is responsible for contract administration and federal technical oversight for NNSA operations that are performed by the Savannah River Nuclear Solutions, LLC, and that support the NNSA mission work. 

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