You are here

Secretary of Homeland Security

Secretary Kirstjen M. Nielsen

The Secretary of Homeland Security leads the third largest Department of the U.S. government, with a workforce of 229,000 employees and 22 components including TSA, Customs and Border Protection, Immigration and Customs Enforcement, U.S. Citizenship and Immigration Services, FEMA, the Coast Guard, Secret Service, Federal Law Enforcement Training Centers, the National Protection and Programs Directorate, and the Science and Technology Directorate.

Under the Secretary's leadership, DHS is responsible for counterterrorism, cybersecurity, aviation security, border security, port security, maritime security, administration and enforcement of our immigration laws, protection of our national leaders, protection of critical infrastructure, cybersecurity, detection of and protection against chemical, biological and nuclear threats to the homeland, and response to disasters.

Secretary Kirstjen M. Nielsen

Kirstjen M. Nielsen was sworn-in as the sixth Secretary of Homeland Security on December 6, 2017.  Secretary Nielsen is the first former Department of Homeland Security (DHS) employee to become the secretary.

Last Published Date: July 25, 2018

Secretary of Homeland Security News & Updates RSS Icon

Nov 25

Statement from Department of Homeland Secretary Kirstjen M. Nielsen on the San Ysidro Port Of Entry closure.

Nov 9

On 9 November 2018, the EU-U.S. Ministerial Meeting on Justice and Home Affairs took place in Washington DC. The United States of America hosted the meeting and was represented by the U.S. Acting Attorney General Matthew G. Whitaker and Secretary for Homeland Security, Kirstjen Nielsen.

Social Media

Was this page helpful?

This page was not helpful because the content:
Back to Top