List of senior leaders at the Department. For more information about an individual listed, including a biography, click on their name.
- Secretary, Alejandro Mayorkas | Secretary's Corner
- Deputy Secretary (vacant), Kristie Canegallo, Senior Official Performing the Duties of the Deputy Secretary
- Chief of Staff, Jonathan Davidson
- Executive Secretary (acting), Juliana Blackwell
- General Counsel (acting), Kara Lynum
- Military Advisor to the Secretary, RDML Jeffrey W. Novak
- Under Secretary, Management (vacant), Randolph D. "Tex" Alles, Senior Official Performing the Duties of the Under Secretary, Management
- Deputy Under Secretary for Management, Randolph D. "Tex" Alles
- Chief Financial Officer (acting), Stacy Marcott
- Chief Human Capital Officer, Roland Edwards
- Chief Information Officer and Chief Artificial Intelligence Officer, Eric Hysen
- Chief Procurement Officer, Paul Courtney
- Chief Readiness Support Officer, Tracey "Trae" Watkins
- Chief Security Officer, Richard D. McComb
- Executive Director, Office of Program Accountability and Risk Management, Debra Cox
- Director, Office of Biometric Identity Management, Shonnie Lyon
- Director, Federal Protective Service, Kris Cline
- Under Secretary, Science and Technology, Dr. Dimitri Kusnezov
- Deputy Under Secretary, Julie S. Brewer
- Chief of Staff, Steven Feder
- Under Secretary, Office of Intelligence and Analysis, Kenneth L. Wainstein
- Principal Deputy Under Secretary, Office of Intelligence and Analysis, Avery Alpha
- Under Secretary, Office of Strategy, Policy, and Plans (acting), Robert Paschall
- Deputy Under Secretary, Robert Paschall
- Chief of Staff, Hannah Edwards
- Assistant Secretary for Border and Immigration Policy, Royce Murray
- Assistant Secretary for Counterterrorism, Threat Prevention and Law Enforcement, Jeohn Salone Favors
- Assistant Secretary for Cyber, Infrastructure, Risk and Resilience, Iranga Kahangama
- Assistant Secretary for International Affairs (acting), Adam Hunter
- Assistant Secretary for Trade and Economic Security, Christa Brzozowski
- Deputy Assistant Secretary, Daniel E. White
- Director, U.S. Citizenship and Immigration Services, Ur M. Jaddou
- Deputy Director, U.S. Citizenship and Immigration Services, Jennifer B. Higgins
- Commandant, U.S. Coast Guard, Admiral Linda L. Fagan
- Vice Commandant, U.S. Coast Guard, Admiral Kevin E. Lunday
- Commissioner, U.S. Customs and Border Protection (vacant), Troy Miller, Deputy Commissioner and Senior Official Performing the Duties of the Commissioner
- Deputy Commissioner, U.S. Customs and Border Protection (acting), Pete Flores
- Chief Operating Officer (acting), James McCament
- Director, Cybersecurity and Infrastructure Security Agency, Jen Easterly
- Deputy Director, Nitin Natarajan
- Administrator, Federal Emergency Management Agency, Deanne Criswell
- Deputy Administrator, Erik Hooks
- Deputy Administrator for Resilience (vacant), Victoria Salinas, Senior Official Performing the Duties of the Deputy Administrator for Resilience
- U.S. Fire Administrator, Dr. Lori L. Moore-Merrell
- Director, Federal Law Enforcement Training Centers, Benjamine C. Huffman
- Deputy Director, Federal Law Enforcement Training Centers, Paul Baker
- Director, U.S. Immigration and Customs Enforcement (ICE) (vacant), Patrick J. Lechleitner, Deputy Director and Senior Official Performing the Duties of the Director
- Senior Official Performing the Duties of the Deputy Director, Staci A. Barrera
- Director, U.S. Secret Service (acting), Ronald L. Rowe, Jr.
- Deputy Director, U.S. Secret Service, (vacant)
- Administrator, Transportation Security Administration, David Pekoske
- Deputy Administrator, Transportation Security Administration, Holly Canevari
- Assistant Secretary, Countering Weapons of Mass Destruction Office, Mary Ellen Callahan
- Principal Deputy Assistant Secretary, Countering Weapons of Mass Destruction Office, Deborah E. Kramer
- Director and Chief Medical Officer, Office of Health Security (acting), Dr. Herbert Wolfe
- Deputy Director and Deputy Chief Medical Officer, Office of Health Security, Dr. Herbert Wolfe
- Assistant Secretary, Office of Legislative Affairs, Zephranie Buetow
- Deputy Assistant Secretary, Stephanie Doherty (Senate)
- Deputy Assistant Secretary (acting), Cursten Knott (House)
- Assistant Secretary, Office of Partnership and Engagement, Fayrouz Saad
- Principal Deputy Assistant Secretary, Rebecca K.K. Sternhell
- Chief of Staff, Nathaniel Snyder
- Deputy Chief of Staff, Cynthia J. Briscoe
- Deputy Assistant Secretary, Intergovernmental Affairs, Lila Jaafar
- Deputy Assistant Secretary, Private Sector Office (acting), Patrick Schmidt
- Executive Director, Social Impact and Campaigns, Karinda L. Washington
- Executive Director, Homeland Security Advisory Council (acting), Rebecca Sternhell
- Senior Director, Non-Governmental Organizations, Nicole Rosich
- Senior Director and Committee Management Officer, Mike Miron
- Assistant Secretary, Office of Public Affairs, Daniel Watson
- Principal Deputy Assistant Secretary, Communications, Luis Miranda
- Deputy Assistant Secretary for Media Relations, Sarah Schakow
- Deputy Assistant Secretary, Strategic Communications, Jeff Solnet
- Assistant Secretary, Office for State and Local Law Enforcement, Heather Fong
- Executive Director, Joint Requirements Council, Joseph D. Wawro
- Director, Office of Homeland Security Situational Awareness, Christopher J. Tomney
- Chief Freedom of Information Officer (acting), Deborah Fleischaker
- Chief Privacy Officer (acting), Deborah Fleischaker
- Citizenship and Immigration Services Ombudsman (acting), Nathan Stiefel
- Citizenship and Immigration Services Deputy Ombudsman, Nathan Stiefel
- Ombudsman for Immigration Detention, Michelle Brané
- Officer for Civil Rights and Civil Liberties, Shoba Sivaprasad Wadhia
- Inspector General, Joseph V. Cuffari