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Department of Homeland Security

Washington, DC 20528


Secretary of Homeland Security John F. Kelly
Deputy Secretary Elaine C. Duke
Chief of Staff Kirstken Nielsen
Executive Secretary Scott Krause
General Counsel Joseph B. Maher (Acting)
Under Secretary, Management Chip Fulghum (Acting)
Under Secretary, National Protection and Programs Directorate David Hess (Acting)
Under Secretary, Science and Technology Robert Griffin (Acting)
Under Secretary, Intelligence and Analysis Patricia F.S. Cogswell (Acting)
Under Secretary for Strategy, Policy, and Plans (vacancy)
Assistant Secretary, Partnership and Engagement John Barsa (Acting)
Director, U.S. Citizenship and Immigration Services James McCament, Acting
Commandant, United States Coast Guard Adm. Paul F. Zukunft
Commissioner, U.S. Customs and Border Protection Kevin McAleenan (Acting)
Director, U.S. Immigration and Customs Enforcement Thomas D. Homan (Acting)
Administrator, Federal Emergency Management Agency Robert J. Fenton (Acting)
Director, United States Secret Service Randolph D. Alles
Administrator, Transportation Security Administration Huban A. Gowadia (Acting)
Ombudsman, Citizenship and Immigration Services Julie Kirchner
Officer, Civil Rights and Civil Liberties Veronica Venture (Acting)
Director, Domestic Nuclear Detection Office L. Wayne Brasure, Acting
Director, Federal Law Enforcement Training Centers Connie L. Patrick
Assistant Secretary, Health Affairs / Chief Medical Officer Larry D. Fluty (Acting)
Inspector General John Roth
Assistant Secretary, Legislative Affairs Benjamin Cassidy
Director, Operations Coordination Richard Chávez
Chief Privacy Officer Jonathan Cantor (Acting)
Assistant Secretary, Public Affairs Jonathan R. Hoffmann
Chief Financial Officer Stacy Marcott (Acting)

The Department of Homeland Security prevents terrorism and enhances security, secures and manages the Nation’s borders, enforces and administers its immigration laws, safeguards and secures cyberspace, and ensures resilience to disasters.

Organizational Chart

The Department of Homeland Security (DHS) was established by the Homeland Security Act of 2002 (6 U.S.C. 101 note). The Department came into existence on January 24, 2003, and is administered under the supervision and direction of the Secretary of Homeland Security.


The Office of the Secretary oversees activities in collaboration with other Federal, State, local, and private entities to carry out the Department's overall mission. The Office of the Secretary comprises 10 smaller offices that support the Secretary in fulfilling his or her responsibilities.


The Secretary is responsible for developing and coordinating a comprehensive national strategy to protect the United States against terrorist attacks. The Secretary advises the President on how to: strengthen and manage U.S. borders; safeguard and secure cyberspace; enforce and administer immigration laws, provide for intelligence analysis and infrastructure protection; improve the use of science and technology to counter weapons of mass destruction; and ensure resilience to disasters.

Office for Civil Rights and Civil Liberties

The Office for Civil Rights and Civil Liberties ensures that Department of Homeland Security secures the Nation while preserving individual liberty, fairness, and equality under the law by: promoting respect for civil rights and civil liberties in policy creation and implementation; advising Department leadership and personnel, and state and local partners; communicating with individuals and communities whose civil rights and civil liberties may be affected by Department activities, informing them about policies and avenues of redress, and bringing appropriate attention within the Department to their experiences and concerns; investigating civil rights and civil liberties complaints filed by the public regarding Department policies or activities, or actions taken by Department personnel; and leading the Department’s equal employment opportunity (EEO) programs and promoting workforce diversity and merit system principles.

Office of General Counsel

The Office of General Counsel (OGC) is responsible for ensuring that departmental activities comply with applicable legal requirements. OGC provides legal advice on areas such as national security, immigration, litigation, international law, maritime safety and security, transportation security, border security law, cybersecurity, fiscal and appropriations law, environmental law, and many others. It also ensures that the Department’s efforts to secure the Nation are consistent with the civil rights and civil liberties of its citizens and follow the rule of law. OGC also provides legal services in several areas where the law intersects with the achievement of mission goals, such as the coordination of the Department’s rulemaking activities, managing interdepartmental clearance of proposed legislation, and providing legal training for law enforcement officers.

Office of Inspector General

The Office of Inspector General (OIG) conducts and supervises audits, investigations, and inspections relating to the Department's programs and operations. The OIG examines, evaluates, and where necessary, critiques these operations and activities, recommending ways for DHS to carry out its responsibilities in the most economical, efficient, and effective manner possible. The OIG also reviews recommendations regarding existing and proposed legislation and regulations relating to the Department’s programs and operations.

Office of Legislative Affairs

The Office of Legislative Affairs (OLA) serves as the Department’s primary liaison to Congress. It advocates for the policy interests of the administration and the Secretary. OLA also ensures that all DHS components are actively engaged with Congress in their specific areas of responsibility. The Office articulates views on behalf of DHS components and their legislative initiatives. It responds to requests and inquiries from congressional committees, individual Members of Congress, and their staffs. OLA also participates in the Senate confirmation process for each DHS Presidential nominee.

Office of Partnership and Engagement

The Office of Partnership and Engagement includes the following offices and programs: the Office for State and Local Law Enforcement, Private Sector Office, Office of Academic Engagement, Committee Management Office, Homeland Security Advisory Council, Homeland Security Academic Advisory Council, Blue Campaign,, and the "If You See Something, Say Something" public awareness campaign. The Office comprises stakeholder engagement offices that communicate with State, local, tribal, and territorial governments, and with law enforcement, the private sector, academia and Federal advisory committees. These offices also coordinate DHS programs and policies with these same stakeholders. The Office also serves as the liaison between these stakeholders and the Office of the Secretary. It promotes an integrated national approach to homeland security by coordinating and advancing Federal interaction with external stakeholders, and it is responsible for continuing the homeland security dialogue with those partners and with the national associations that represent them.

Office of Public Affairs

The Office of Public Affairs (OPA) manages all of the Department’s external (media) and internal (employee) communications. OPA also oversees and coordinates all public affairs activities for the Department’s components and offices. OPA is the primary point of contact for news media, policies, procedures, statistics and services. OPA also assists the Secretary on all public affairs, as well as incident, strategic and internal communications matters.

Office of the Chief Financial Officer

The Office of the Chief Financial Officer (OCFO) is responsible for the fiscal management, integrity, and accountability of DHS. The OCFO provides guidance and oversight of the Department’s budget, financial management, financial operations for all Departmental management and operations, the DHS Working Capital Fund, grants and assistance awards, and resource management systems to obtain, allocate, and expend funds for DHS's mission in accordance with the Department’s priorities and relevant law and policies.

Office of the Citizenship and Immigration Services Ombudsman

The Office of the Citizenship and Immigration Services Ombudsman (CISOMB) helps individuals and employers resolve problems with the delivery of immigration services and benefits issued by U.S. Citizenship and Immigration Services. The CISOMB identifies trends and proposes changes to mitigate problems and improve the delivery of immigration services. It is a confidential, independent, and neutral office where stakeholders can submit requests for assistance and provide feedback. The CISOMB delivers an annual report directly to Congress each year.

Office of the Executive Secretary

The Office of the Executive Secretary (ESEC) provides analytical and administrative support to the Office of the Secretary and the Office of the Deputy Secretary. ESEC manages the Secretary’s internal and external correspondence, prepares classified and unclassified briefing materials, and oversees development of departmental testimony, questions for the record, and congressional reports. ESEC also facilitates departmental communications with Federal departments and agencies, the National Security Council, and other White House executive offices.

Office of the Military Advisor

The Senior Military Advisor provides counsel to the Secretary and DHS Components relating to the facilitation, coordination, and execution of policy, procedures, and preparedness activities and operations between DHS and the Department of Defense.

Privacy Office

The Privacy Office protects the collection, use, and disclosure of personally identifiable information and departmental information. It ensures that appropriate access to information is consistent with the vision, strategic mission, and core values of DHS. The Office also implements the policies of the Department to defend and protect the individual rights, liberties, and information interests of our citizens. The Office has oversight of all privacy and disclosure policy matters, including compliance with the Privacy Act of 1974, the Freedom of Information Act, and the completion of privacy impact statements on all new programs and systems, as required by the E-Government Act of 2002 and Section 222 of the Homeland Security Act.


Directorate for Management

The Directorate for Management is responsible for accounting and finance, appropriations, budget, expenditure of funds, and procurement; equipment, facilities, property, and other material resources; human resources, personnel, and their security; identification and tracking of performance measurements relating to the responsibilities of the Department, and information technology and communication systems.

The Directorate for Management ensures that the Department's employees have well-defined responsibilities and that managers and their employees have effective means of communicating with one another, with other governmental and nongovernmental bodies, and with the public they serve.

Directorate for Science and Technology

The Science and Technology Directorate is the primary research and development arm of the Department. The Directorate provides Federal, State, and local officials with the technology and capabilities to protect the homeland. Its strategic objectives are to develop and deploy systems to prevent, detect, and mitigate the consequences of chemical, biological, radiological, nuclear, and explosive attacks; develop equipment, protocols, and training procedures for response to and recovery from those attacks; enhance the Department's and other Federal, State, local, and tribal agencies' technical capabilities to fulfill their homeland security-related functions; and develop technical standards and establish certified laboratories to evaluate homeland security and emergency responder technologies for SAFETY Act certification.

Domestic Nuclear Detection Office

The Domestic Nuclear Detection Office focuses solely on preventing nuclear terrorism, by continuously improving the nation's ability to deter, detect, respond to, and attribute attacks, in coordination with domestic and international partners. DNDO coordinates development of the global nuclear detection architecture with partners from local, state, federal, and international governments, and the private sector. The Office is responsible for developing, acquiring, and supporting the deployment of mechanisms to detect and report attempts to import, possess, store, transport, develop, or use unauthorized nuclear and other radioactive material in the United States. It also improves that domestic system over time.

DNDO further serves as steward of an enduring national technical nuclear forensics capability and leads efforts to improve national nuclear forensics expertise. Working with the international community, the Office promotes the development of nuclear detection architectures and nuclear forensics guidance.

Federal Emergency Management Agency

Federal Emergency Management Agency (FEMA) leads and supports the Nation in a risk-based, comprehensive emergency management system of preparedness, protection, response, recovery, and mitigation to reduce the loss of life and property, and protect the Nation from all hazards, including natural disasters, acts of terrorism, and other man-made disasters. FEMA coordinates programs to improve the effectiveness of emergency response providers at all levels of the government, initiates proactive mitigation activities, and manages the National Flood Insurance Program and U.S. Fire Administration. FEMA also leads government continuity planning, guidance, and operations for the Federal Executive Branch to minimize the disruption of essential operations and guarantee an enduring Constitutional government.

Federal Law Enforcement Training Centers

The Federal Law Enforcement Training Centers (FLETC) provides career-long training to law enforcement professionals to help them fulfill their responsibilities safely and proficiently. Under a collaborative training model, FLETC’s federal partner organizations deliver training unique to their missions, while FLETC provides training in areas common to all law enforcement officers, such as firearms, driving, tactics, investigations, and legal training. To train all those who protect the homeland, its audience also includes state, local, and tribal departments throughout the U.S., as well as international training and capacity-building activities.

National Protection and Programs Directorate

The National Protection and Programs Directorate executes the DHS operational mission of securing the Nation's infrastructure and enhancing its resilience against cyber and physical threats. Secure and resilient infrastructure advances public health and safety, promotes economic vitality, and safeguards national security. The National Protection and Programs Directorate collaborates with Federal, State, local, tribal, and territorial, as well as international and private-sector entities, to maintain situational awareness of both physical and cyber events, to share information about risks that may disrupt critical infrastructure, and to build capabilities to reduce those risks.

Office of Health Affairs

The Office of Health Affairs (OHA) serves as the principal adviser to the Secretary on medical and public health issues. OHA leads the Department’s workforce health protection and medical support activities. The Office also manages and coordinates the Department’s biological and chemical defense programs and provides medical and scientific expertise to support DHS preparedness and response efforts.

Office of Intelligence and Analysis

The Office of Intelligence and Analysis, as a member of the U.S. Intelligence Community, is the nexus between the Nation’s intelligence apparatus and DHS components and other State, local, and private sector partners. The Office ensures that information is gathered from all relevant DHS field operations and other State, local, and private sector partners and that this information is shared with appropriate stakeholders to produce accurate, timely, and actionable analytical intelligence products and services.

Office of Operations Coordination

The Office of Operations Coordination provides decision support and enables the Secretary's execution of responsibilities across the homeland security enterprise by promoting situational awareness and information sharing, integrating and synchronizing strategic operations, and administering the DHS continuity program. At the strategic level, the Office provides a joint operations coordination capability to support DHS operational decision making, departmental leadership, and participation in interagency operations throughout the homeland security enterprise and across all mission areas.

Office of Strategy, Policy, and Plans

The Office of Strategy, Policy, and Plans develops and coordinates department-wide policies, strategies, and plans to ensure consistency. The Office leads and coordinates both DHS interagency and foreign engagement.

Transportation Security Administration

The Transportation Security Administration protects the Nation's transportation systems to ensure freedom of movement for people and commerce.

United States Citizenship and Immigration Services

The Unites States Citizenship and Immigration Services (USCIS) administers our Nation's legal immigration system. Operating primarily by fee funding, it ensures that information and decisions on citizenship and immigration benefits are provided to applications and petitioners in a timely, accurate, consistent, courteous, and professional manner consistent with national security. USCIS is also enhances the integrity of our country’s legal immigration system by deterring, detecting, and pursuing immigration-related fraud, combating the unauthorized practice of immigration law, and helping to combat unauthorized employment in the workplace.

United States Coast Guard

The U.S. Coast Guard protects those on the sea, protects the Nation from seaborne threats, and ensures the safety, security, and stewardship of the Nation's ports, waterways, coasts, and far-reaching maritime regions of economic and national security interest. The Coast Guard manages six major operational mission programs: Maritime Law Enforcement, Maritime Response, Maritime Prevention, Maritime Transportation System Management, Maritime Security Operations, and Defense Operations.

U.S. Customs and Border Protection

The U.S. Customs and Border Protection secures America's borders to protect the public from terrorists and terrorist weapons, while enabling legitimate trade and travel to enhance the Nation’s global economic competitiveness.

U.S. Immigration and Customs Enforcement

U.S. Immigration and Customs Enforcement (ICE) is the principal investigative arm of DHS. ICE’s primary mission is to promote homeland security and public safety through the criminal and civil enforcement of Federal laws governing border control, customs, trade, and immigration.

United States Secret Service

The U.S. Secret Service carries out a dual mission of protection and investigation. It protects the President, Vice President, and their families; major Presidential and Vice Presidential candidates; visiting heads of state and government; and National Special Security Events, as well as the White House and other designated buildings within the Washington, DC, area. The Secret Service also safeguards the Nation's financial infrastructure and payments systems to preserve the integrity of the economy.

Sources of Information


The DHS maintains a blog on its Web site.


The DHS and its components provide Internet access to statistical reports and datasets: Coast Guard maritime information, Customs and Border Protection intellectual property rights recordations, Federal Emergency Management Agency disaster declarations, immigration data, and more.


To search DHS job postings and to learn how to apply, visit the "Careers" Web page.

Flood Insurance Rate Maps (FIRMs)

Flooding can occur anywhere in the United States; however, certain areas are prone to serious flooding. To help communities understand their risk, flood maps or FIRMs have been created to show the locations of high-risk, moderate-to-low risk, and undetermined-risk areas. Banks, citizens, insurance agents, and all levels of government rely on FIRMs to determine whether flood insurance is required.

Freedom of Information Act (FOIA)

The FOIA provides for the full disclosure of agency records and information to the public as long as those records and information are not exempted under clearly delineated statutory language. Instructions for submitting a FOIA request, filing a Privacy Act request, and information on other FOIA-related matters are available on the DHS Web site.

The DHS maintains a FOIA library on its Web site. Information seekers should use the library's online resources to determine if the desired document or record is immediately available and, therefore, does not require a FOIA request to access it.

Green Card

A person may obtain authorization to live and work in the United States on a permanent basis in several ways: A family member or employer in the United States may sponsor the Green Card applicant; refugee or asylee status and other humanitarian programs offer additional pathways; and, in some cases, a person may be eligible to file on his or her own initiative for permanent residency.

How Do I?

The DHS Web site features a comprehensive section that organizes answers to "how do I" questions according to audience: DHS employees, businessmen and women, travelers, and the general public. Entrepreneurs can learn how to apply for grants, find forms for exporting and importing, and verify employment eligibility; travelers can learn how to check wait times at airports and border crossings; and members of the public can learn how to adopt a child internationally, become a citizen, check the status of an immigration case, prepare for a disaster, and report cyber incidents and suspicious activity.


The DHS Web site features a long list of keywords that are linked to pages containing information on the DHS, its components, and its mission.

Multilingual Resources

The Office of Civil Rights and Civil Liberties identifies documents containing information that is particularly important to diverse communities of limited English proficiency. These documents are often translated into Arabic, Chinese, French, Haitian-Creole, Portuguese, Russian, Somali, Spanish, and Vietnamese.


In the Immigration and Nationality Act, Congress established the requirements that a foreign citizen or national must fulfill to receive U.S. citizenship. The process of being granted citizenship is known as naturalization. The U.S. Citizenship and Immigration Services' Web site offers resources for those seeking citizenship through naturalization. These resources include citizenship and naturalization guidance; a guide to help permanent residents apply for citizenship; the application for naturalization (Form N–400) in Portable Document Format (PDF) and instructions for completing it; educational materials to prepare for the civics, history, and English sections of the naturalization test; and links that lead to Web pages with additional relevant information.


The DHS posts audio items, congressional testimony, factsheets, photos and videos, press releases, and speeches on its Web site. It also posts news items on national security in Spanish.

Open Government

The DHS supports the Open Government initiative by promoting the principles of collaboration, participation, and transparency.

Operational Components

The DHS comprises nine operational components: the U.S. Department of Homeland Security, U.S. Customs and Border Protection, Federal Emergency Management Agency, Federal Law Enforcement Training Center, U.S. Immigration and Customs Enforcement, U.S. Secret Service, Transportation Security Administration, U.S. Coast Guard, and U.S. Citizenship and Immigration Services. The DHS Web site offers easy access to all of their home pages.


The DHS publications library contains brochures, guidance and policy papers, guidelines, program regulations, reports, strategies, and more.

Report Cyber Incidents

To protect the Nation’s cybersecurity, the DHS has organizations dedicated to collecting information and reporting on cyber incidents, phishing, malware, and other vulnerabilities.

Site Map

The Web site map allows visitors to look for specific topics or to browse content that aligns with their interests.

The DHS Web site features an A–Z index to help visitors navigate its content.

Social Media

The DHS maintains accounts on Facebook, Flickr, Instagram, and Twitter. An online subscription form also is available to sign up for email updates.

Terrorist Threats

The National Terrorism Advisory System provides detailed, timely information on terrorist threats to the American public.

Transportation Security

The "Transportation Security" Web page provides information on transportation and travel: aviation security, cargo screening, domestic travel, electronic passports, visas, and more.

Travel Alerts

The DHS Web site offers convenient access to alerts and wait times: airport security checkpoint wait times from the Transportation Security Administration, airport wait times from the U.S. Customs and Border Protection, international travel warnings from the Department of State, and health alerts from the Centers for Disease Control and Prevention.

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