US Senate Confirms Markwayne Mullin as Secretary of Homeland Security

DHS Press Releases

Published March 24th, 2026

Detected March 25th, 2026

Summary

The U.S. Senate has confirmed Markwayne Mullin as the 9th Secretary of the Department of Homeland Security (DHS) in a bipartisan vote. He was sworn in by President Donald J. Trump and stated his priority is to ensure the department is funded to continue its critical work.

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What changed

The United States Senate has confirmed Markwayne Mullin as the 9th Secretary of the Department of Homeland Security (DHS) via a bipartisan vote of 54-45. Following his confirmation, Secretary Mullin was sworn into office by President Donald J. Trump. He expressed his commitment to safeguarding the American people and defending the homeland, emphasizing the need for departmental funding to ensure the continued critical work of DHS's 22 agencies.

This confirmation represents a significant leadership change within a key federal agency responsible for national security and immigration. While this notice itself does not impose new compliance obligations, it signifies the official appointment of the head of DHS. Compliance officers within DHS and related government entities should be aware of the new leadership and their stated priorities, particularly regarding departmental funding and the call to end partisan bickering that could impact national security operations.

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U.S. Senate Confirms Markwayne Mullin as Secretary of the Department of Homeland Security

U.S. Senate Confirms Markwayne Mullin as Secretary of the Department of Homeland Security

Release Date: March 24, 2026
WASHINGTON – Yesterday, the United States Senate voted to confirm Markwayne Mullin as the 9th Secretary of the Department of Homeland Security (DHS) in a bipartisan vote of 54-45. Today, the Secretary was sworn in by President Donald J. Trump in the Oval Office.

“I want to thank President Trump and my Senate colleagues for trusting me with this crucial role,” said Secretary Markwayne Mullin. “As the Secretary of Homeland Security, I look forward to continuing President Trump’s mission to safeguard the American people and defend the homeland. My first priority is to get the Department funded so the incredible patriots that support our 22 critical agencies receive a paycheck and can continue their critical work of keeping our nation safe. DHS is bigger than any political party. It’s time to end the partisan bickering that threatens our national security and put the American people first.”

Prior to his confirmation as Secretary, Markwayne Mullin served the people of Oklahoma in the United States Senate for three years and in the United States House of Representatives for ten years, serving the 2nd Congressional district.

Before his time in Congress, Secretary Mullin was a successful businessman who owned multiple companies, including his family’s plumbing business, Mullin Plumbing. Over the past 28 years, Secretary Mullin expanded Mullin Plumbing to become the largest service company in the region, and along the way founded numerous other successful companies ranging from Mullin Environmental to Rowan’s Steakhouse.

Additionally, Secretary Mullin is a former undefeated Mixed Martial Arts (MMA) fighter with a professional record of 5-0. He was inducted into the Oklahoma Wrestling Hall of Fame in 2016.