List of senior leaders at the Department. For more information about an individual listed, including a biography, click on their name.
- Secretary, Markwayne Mullin | Secretary's Corner
- Deputy Secretary, Troy Edgar
- Chief of Staff, Dave Natonski
- Executive Secretary, Andrew Whitaker
- Military Advisor to the Secretary, (vacant)
- General Counsel, James Percival
- Under Secretary, Management, Brian J. Cavanaugh
- Deputy Under Secretary for Management, Erin C. Hoffman
- Chief of Staff, Christopher Yeager
- Chief Financial Officer (vacant), Holly C. Mehringer, Senior Officer Performing the Duties of the Chief Financial Officer
- Chief Security Officer, Justin Napolitano
- Chief Human Capital Officer, Roland Edwards
- Chief Information Officer (acting), Kyle Schutt
- Chief Procurement Officer, Paul Courtney
- Chief Readiness Support Officer, Trae Watkins
- Director, Office of Biometric Identity Management (acting), Kyle Schutt
- Director, Federal Protective Service, Faron K. Paramore
- Under Secretary, Science and Technology, Pedro M. Allende
- Deputy Under Secretary, Julie S. Brewer
- Chief of Staff, Vincent Bellomo
- Under Secretary, Office of Intelligence and Analysis, Matthew Kozma
- Principal Deputy Under Secretary, Office of Intelligence and Analysis, Adam Luke
- Under Secretary, Office of Strategy, Policy, and Plans, Rob Law
- Deputy Under Secretary, John H. Gountanis
- Chief of Staff, Matthew Toplak
- Assistant Secretary for Border Security and Immigration, Eric Ruark
- Assistant Secretary for Counterterrorism and Homeland Threats, Nicholas Kikis
- Assistant Secretary for Cyber, Infrastructure, Risk and Resilience, Joseph Alm
- Assistant Secretary for International Affairs, Simon Bland
- Assistant Secretary for Trade and Economic Security, Aris Kourkoumelis
- Director, U.S. Citizenship and Immigration Services, Joseph B. Edlow
- Deputy Director, U.S. Citizenship and Immigration Services, Angelica Alfonso-Royals
- Chief of Staff, U.S. Citizenship and Immigration Services, Peter Holland
- Commandant, U.S. Coast Guard, Admiral Kevin E. Lunday
- Vice Commandant, U.S. Coast Guard, Admiral Thomas G. Allan Jr.
- Chief of Staff, U.S. Coast Guard, VADM Douglas M. Schofield
- Commissioner, U.S. Customs and Border Protection, Rodney Scott
- Deputy Commissioner, U.S. Customs and Border Protection (acting), Ronald D. Vitiello
- Chief Operating Officer (acting), Cathy Durst
- Director, Cybersecurity and Infrastructure Security Agency (acting), Nicholas Andersen
- Deputy Director, Nicholas Andersen
- Chief Operating Officer, Dr. Ryan Donaghy
- Administrator, Federal Emergency Management Agency, Cameron D. Hamilton
- Deputy Administrator (vacant), Federal Emergency Management Agency
- Deputy Administrator for Resilience, (vacant)
- Associate Administrator for Resilience, David Arnold
- U.S. Fire Administrator, Paul D. Matheis
- Director, Federal Law Enforcement Training Centers, Benjamine C. Huffman
- Deputy Director, Federal Law Enforcement Training Centers, Paul E. Baker
- Director, U.S. Immigration and Customs Enforcement (vacant), David J. Venturella, Senior Official Performing the Duties of the Director, U.S. Immigration and Customs Enforcement
- Deputy Director, U.S. Immigration and Customs Enforcement, Charles Wall
- Director, U.S. Secret Service, Sean Curran
- Deputy Director, U.S. Secret Service, Matthew Quinn
- Chief Operating Officer, U.S. Secret Service, Christopher Toms
- Chief of Staff, U.S. Secret Service, Tyler McQuiston
- Administrator, Transportation Security Administration, David Cummins
- Deputy Administrator, Transportation Security Administration, (vacant)
- Director and Chief Medical Officer, Office of Health Security, Dr. Sean Conley
- Deputy Director and Deputy Chief Medical Officer (acting), Dr. Dev Jani
- Chief of Staff, Dr. Dev Jani
- Assistant Secretary, Office of Legislative Affairs, (vacant)
- Deputy Assistant Secretary (Senate)(acting), John Lott
- Deputy Assistant Secretary (House), Regan Williams
- Chief of Staff, Anna Kenna
- Deputy Chief of Staff, (vacant)
- Assistant Secretary, Office of Partnership and Engagement, (vacant)
- Principal Deputy Assistant Secretary, John Stirrup
- Chief of Staff, Patrick Farrell
- Deputy Assistant Secretary, Office of Intergovernmental Affairs (acting), Patrick Farrell
- Deputy Assistant Secretary, Private Sector Office, Brett Scott
- Executive Director (DFO), Homeland Security Advisory Council (acting), Alexander Jacobs
- Director, Committee Management Officer, Mike Miron
- Faith-Based Organization Security Coordinator, Irene Armendariz-Jackson
- Assistant Secretary, Office of Public Affairs (acting), Katherine Currie
- Principal Deputy Assistant Secretary, (vacant)
- Principal Deputy Assistant Secretary, Communications, Micah Bock
- Deputy Assistant Secretary for Public Affairs, Chandler Rebel
- Deputy Assistant Secretary for Media Relations, Raegan Lehman
- Deputy Assistant Secretary, Strategic Communications, (vacant)
- Chief of Staff, (vacant)
- Assistant Secretary, Office for State and Local Law Enforcement, Mike Fullerton
- Director, Office of Homeland Security Situational Awareness, Christopher J. Tomney
- Deputy Director, Office of Homeland Security Situational Awareness, Laurie Boulden
- Chief Freedom of Information Act (FOIA) Officer, Roman Jankowski
- Deputy Chief Freedom of Information Act Officer, Catrina Pavlik-Keenan
- Chief Privacy Officer, Roman Jankowski
- Deputy Chief Privacy Officer, James Holzer
- Chief of Staff, Sandra L. Taylor
- Citizenship and Immigration Services Ombudsman, Ron Sartini
- Deputy Citizenship and Immigration Services Ombudsman, Rudy Gomes
- Officer for Civil Rights and Civil Liberties (acting), Ron Sartini
- Chief of Staff, Jeri Freirich
- Inspector General, Joseph V. Cuffari
