Our Leadership & Offices | Department of Energy
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Our Leadership & Offices
The U.S. Department of Energy’s mission is to ensure America’s security and prosperity by addressing its energy, environmental, and nuclear challenges through transformative science and technology solutions. Scroll through this page to meet our Leadership and explore the Department’s mission areas and offices.
Leadership
Chris Wright
Secretary of Energy
about
James Danly
Deputy Secretary of Energy
about
U.S. Department of Energy Org Chart
Explore the organizational structure of the U.S. Department of Energy.
View Org Chart as PDF
Office of the Secretary
The Office of the Secretary directly supports the Secretary of Energy, a member of the President’s Cabinet, in leading the U.S. Department of Energy (DOE) and carrying out its mission. The Deputy Secretary and the Deputy Secretary’s team are also members of the Office of the Secretary.
Staff Offices
The following offices within the U.S. Department of Energy report directly to the Office of the Secretary. Click the individual cards to learn more about each office and their work.
ARPA-E
May 17, 2023
Office of the Chief Financial Officer
November 6, 2025
Office of the Chief Human Capital Officer
October 16, 2025
Office of the Chief Information Officer
March 3, 2026
Office of Congressional and Intergovernmental Affairs
April 13, 2026
Office of Enterprise Assessments
March 17, 2026
Office of Environmental Management
April 7, 2026
Office of Environment, Health, Safety and Security
December 15, 2025
Office of Hearings and Appeals
March 3, 2026
Office of the General Counsel
March 3, 2026
Office of International Affairs
March 3, 2026
Office of Intelligence and Counterintelligence
February 27, 2026
Legacy Management
March 3, 2026
Office of Management
March 24, 2026
Office of Policy
March 18, 2026
Office of Project Management
January 21, 2026
Office of Public Affairs
March 27, 2025
Office of Small Business Programs
March 26, 2026
Office of Technology Commercialization
December 16, 2025
Office of the Under Secretary for Energy
The Office of the Under Secretary for Energy deploys energy infrastructure investments to communities around the country. These efforts aim to renew our nation's infrastructure, rebuild domestic manufacturing, create millions of good-paying jobs, and increase American competitiveness.
Infrastructure Program Offices
The following offices within the U.S. Department of Energy report directly to the Office of the Under Secretary for Infrastructure. Click the individual cards to learn more about each office and their work.
Arctic Energy Office
February 10, 2026
Office of Clean Energy Demonstrations
June 30, 2025
Federal Energy Management Program
March 5, 2026
Manufacturing Deployment Office (MDO)
March 12, 2026
Office of Cybersecurity, Energy Security, and Emergency Response
March 27, 2026
Office of Indian Energy
April 23, 2026
Office of Energy Dominance Financing
April 3, 2026
Office of State and Community Energy Programs
January 30, 2026
Power Marketing Administrations
March 4, 2026
Office of the Under Secretary for Science
The Office of the Under Secretary for Science oversees the Arctic Energy Office, the Office of Critical and Emerging Technologies, the Office of Energy Efficiency and Renewable Energy, the Office of Fossil Energy, the Office of Nuclear Energy, the Office of Electricity, the Office of Science, and 13 of the 17 DOE National Laboratories.
Science and Innovation Program Offices
The following offices within the U.S. Department of Energy report directly to the Office of the Under Secretary for Science and Innovation. Click the individual cards to learn more about each office and their work.
Office of Critical and Emerging Technologies
April 1, 2026
Office of Critical Minerals and Energy Innovation
April 9, 2026
Hydrocarbons and Geothermal Energy Office
April 16, 2026
Office of Nuclear Energy
March 3, 2026
Electricity
Electric Grids
Office of Electricity
April 9, 2026
Office of Science
April 1, 2026
National Nuclear Security Administration (NNSA)
NNSA is a semi-autonomous agency within the Department of Energy that protects our nation by designing and delivering a safe, secure, reliable, and effective U.S. nuclear stockpile; forging solutions that enable global security and stability through nonproliferation, counterproliferation, and emergency response; providing nuclear propulsion to power the U.S. Navy; and more.
Nuclear Security Offices
The following offices report to the National Nuclear Security Administration. Click the individual cards to learn more about each office and their work.
Nuclear Security & Safety
Nuclear Stockpile
The U.S. Nuclear Weapons Stockpile
March 5, 2026
Nonproliferation
October 1, 2025
Powering the Navy
March 5, 2026
Emergency Management
March 5, 2026
Defense Nuclear Security
March 25, 2026
Counterterrorism and Counterproliferation
July 28, 2025
Infrastructure
March 5, 2026
Environment, Safety, and Health
July 23, 2024
Working at NNSA
March 5, 2026
Partnership and Acquisition Services
March 5, 2026
General Counsel
November 25, 2024
Supporting NNSA's missions
January 29, 2026
Independent Offices
A small number of offices at the Department operate outside of the traditional reporting structures to protect their independence and the autonomy of their office mission.
Independent Offices
The following offices operate independently of the traditional reporting structure due to their specific mission. Click the individual cards to learn more about each office and their work.
Office of the Inspector General
April 22, 2026
Office of the Ombudsman
December 4, 2024