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 (acting), Kristie Canegallo
- Chief of Staff, Jonathan Davidson
- Executive Secretary, Kimberly O'Connor
- General Counsel, Jonathan E. Meyer
- Military Advisor to the Secretary, RDML Michael Platt
- 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, Eric Hysen
- Chief Procurement Officer, Paul Courtney
- Chief Readiness Support Officer, Tom Chaleki
- Chief Security Officer, Richard D. McComb
- Executive Director, Office of Program Accountability and Risk Management, Debra Cox
- Director, Office of Biometric Identity Management (OBIM), Shonnie Lyon
- Director, Federal Protective Service (FPS), Kris Cline
- Under Secretary, Science and Technology, Dr. Dimitri Kusnezov
- Deputy Under Secretary (acting), Glenn Podonsky
- Chief of Staff, Steven Feder
- Under Secretary, Office of Intelligence and Analysis, Kenneth L. Wainstein
- Principal Deputy Under Secretary (acting), Office of Intelligence and Analysis, James Dunlap
- Under Secretary, Office of Strategy, Policy, and Plans, Robert Silvers
- Deputy Under Secretary, Kelli Ann Burriesci
- Assistant Secretary for Border and Immigration Policy, Blas Nuñez-Neto
- Assistant Secretary for Counterterrorism and Threat Prevention, Samantha Vinograd
- Assistant Secretary for Cyber, Infrastructure, Risk and Resilience, Iranga Kahangama
- Assistant Secretary for International Affairs (acting), Blas Nuñez-Neto
- Assistant Secretary for Trade and Economic Security (acting), Bridget McGovern
- Director, U.S. Citizenship and Immigration Services, Ur M. Jaddou
- Deputy Director (acting), U.S. Citizenship and Immigration Services, Andrew J. Davidson
- Commandant, U.S. Coast Guard, Admiral Linda L. Fagan
- Vice Commandant, U.S. Coast Guard, Steven D. Poulin
- 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
- 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, Thomas J. Walters
- Deputy Director, Federal Law Enforcement Training Centers, Kai J. Munshi
- Director, U.S. Immigration and Customs Enforcement (ICE) (vacant), Patrick J. Lechleitner, Deputy Director and Senior Official Performing the Duties of the Director
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- Senior Official Performing the Duties of the Deputy Director, Staci Barrera
- Director, U.S. Secret Service, Kimberly Cheatle
- Deputy Director, U.S. Secret Service, Ronald L. Rowe, Jr
- 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, Charles Cook
- 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, Bryn McDonough (Senate)
- Deputy Assistant Secretary, Vacant
- Assistant Secretary, Office of Partnership and Engagement, Brenda F. Abdelall
- Principal Deputy Assistant Secretary, Rebecca K.K. Sternhell
- Chief of Staff, Nathaniel Snyder
- Deputy Assistant Secretary, Intergovernmental Affairs, Miriam Enriquez
- Deputy Assistant Secretary, Private Sector Office, Jamie Lawrence
- 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
- Executive Director, Office of Academic Engagement, Traci Silas
- 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, 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, Mason C. Clutter
- Chief Privacy Officer, Mason C. Clutter
- Citizenship and Immigration Services Ombudsman (acting), Nathan Stiefel
- Citizenship and Immigration Services Deputy Ombudsman, Nathan Stiefel
- Ombudsman for Immigration Detention (acting), David Gersten
- Officer for Civil Rights and Civil Liberties, Shoba Sivaprasad Wadhia
- Inspector General, Joseph V. Cuffari