The United States Secretary of Homeland Security is the head of the United States Department of Homeland Security, the federal department tasked with ensuring public safety in the United States. The secretary is a member of the Cabinet of the United States. The position was created by the Homeland Security Act following the terrorist attacks of September 11, 2001.
The new department consisted primarily of components transferred from other Cabinet departments because of their role in homeland security, such as the Coast Guard, the Federal Protective Service, U.S. Customs and Border Protection (which includes the United States Border Patrol), U.S. Immigration and Customs Enforcement (which includes Homeland Security Investigations), the United States Secret Service and the Federal Emergency Management Agency.
The current secretary of homeland security is Kristi Noem, since January 25, 2025.
Order of succession[]
While appointment of acting officials is generally governed by the Federal Vacancies Reform Act of 1998 (FVRA), the Homeland Security Act of 2002 creates exceptions to FVRA, mandating that the under secretary of homeland security for management is third in the line of succession for Secretary of Homeland Security, and establishes an alternate process by which the secretary can directly establish a line of succession outside the provisions of the FVRA.
As of November 8, 2019, the order of succession is as follows. However, the legality of this update was challenged.
- Deputy Secretary of Homeland Security
- Under Secretary for Management
- Commissioner of the U.S. Customs and Border Protection
- Under Secretary for Strategy, Policy, and Plans
- Administrator and Assistant Secretary of the Transportation Security Administration
- Administrator of the Federal Emergency Management Agency
Formerly, an April 10, 2019 update to the DHS Orders of Succession, made pursuant to the Homeland Security Act of 2002, provided a different order in the case of unavailability to act during a disaster or catastrophic emergency:
- Deputy Secretary of Homeland Security
- Under Secretary for Management
- Commissioner of U.S. Customs and Border Protection
- Administrator of the Federal Emergency Management Agency
- Director of the Cybersecurity and Infrastructure Security Agency
- Under Secretary for Science and Technology
- Under Secretary for Intelligence and Analysis
- Administrator of the Transportation Security Administration
- Director of U.S. Immigration and Customs Enforcement
- Director of U.S. Citizenship and Immigration Services
- Under Secretary for Strategy, Policy, and Plans
- General Counsel
- Deputy Under Secretary for Management
- Deputy Commissioner of U.S. Customs and Border Protection
- Deputy Administrator of the Transportation Security Administration
- Deputy Director of U.S. Immigration and Customs Enforcement
- Deputy Director of U.S. Citizenship and Immigration Services
- Director of the Federal Law Enforcement Training Centers
As a result of Executive Order 13753 in 2016, the order of succession for the secretary of homeland security was as follows:
- Deputy Secretary of Homeland Security
- Under Secretary of Homeland Security for Management
- Administrator of the Federal Emergency Management Agency
- Under Secretary of Homeland Security for National Protection and Programs
- Under Secretary of Homeland Security for Science and Technology
- Under Secretary for Intelligence and Analysis
- Commissioner of U.S. Customs and Border Protection
- Administrator of the Transportation Security Administration
- Director of U.S. Immigration and Customs Enforcement
- Director of U.S. Citizenship and Immigration Services
- Assistant Secretary for Policy
- General Counsel of the Department of Homeland Security
- Deputy Under Secretary for Management
- Deputy Commissioner of U.S. Customs and Border Protection
- Deputy Administrator of the Transportation Security Administration
- Deputy Director of U.S. Immigration and Customs Enforcement
- Deputy Director of U.S. Citizenship and Immigration Services
- Director of the Federal Law Enforcement Training Center
Office of the Secretary of Homeland Security[]
Purpose[]
The Office of the Secretary (OS) oversees the execution of the duties of the Department of Homeland Security. Certain elements also aid the Secretary of Homeland Security and senior officials of the Department of Homeland Security, as well as private sector and government partners in their duties.
Composition[]
The Office of the Secretary contains several offices and other elements of the DHS. Most of the heads of these elements report directly to the Secretary or Deputy Secretary, but the Military Advisor and Executive Secretary report to the DHS Chief of Staff, who is currently Jonathan Davidson.
| Component | Mission | Executives | Subordinate Components |
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| Office for Civil Rights and Civil Liberties (CRCL) |
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| Office of the Citizenship and Immigration Services Ombudsman (CISOMB) |
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| Climate Change Action Group |
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| Office of the Executive Secretary (ESEC) |
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| Office of the Immigration Detention Ombudsman (OIDO) |
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| Family Reunification Task Force |
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Includes the secretaries of Homeland Security, Health and Human Services, and State, as well as the Attorney General. It also includes several other officials from the DHS, DOJ, HHS, and State Department. |
| Office of the General Counsel (OGC) |
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| Joint Requirements Council (JRC) |
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The JRC consists of the Principals Council – the operational Components (Cybersecurity and Infrastructure Security Agency, U.S. Customs and Border Protection, Federal Emergency Management Agency, U.S. Immigration and Customs Enforcement, U.S. Secret Service, Transportation Security Administration, U.S. Coast Guard, and U.S. Citizenship and Immigration Services), I&A, Management, CIO, Policy, and S&T. |
| Office of Legislative Affairs (OLA) |
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Each area of responsibility is managed by a director. There's a DAS for the U.S. Senate, a DAS for the U.S. House of Representatives, and a Chief of Staff.
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| Office of the Military Advisor |
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| Office of Partnership and Engagement (OPE) |
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| Privacy Office |
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| Office of Public Affairs (OPA) |
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| Office of Strategy, Policy, and Plans (OSP&P) |
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| Office for State and Local Law Enforcement (OSLLE) |
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