United States | US Senate confirms Markwayne Mullin as secretary of homeland security

On March 23, 2026, the U.S. Senate confirmed Sen. Markwayne Mullin, R-Okla., as secretary of homeland security in a 54-45 vote. The White House later announced the confirmation on X and the Department of Homeland Security issued a press release.

Former secretary Kristi Noem will be assigned a new role as the “Special Envoy for the Shield of the Americas — Western Hemisphere.” President Trump previously stated that Noem’s last day as secretary of homeland security would be March 31, 2026.

Today, Mullin was sworn in as secretary of homeland security by President Trump.

This alert has been provided by the BAL U.S. Practice Group.

Copyright © 2026 Berry Appleman & Leiden LLP. All rights reserved. Reprinting or digital redistribution to the public is permitted only with the express written permission of Berry Appleman & Leiden LLP. For inquiries, please contact copyright@bal.com.