Massive news coming into our newsroom right now. Senator Mark Wayne Mullen has just been tapped by President Donald Trump to be the next Secretary of the Department of Homeland Security. Christine Nome is out effective March 30th first. That’s according to the president’s post on Truth Social just moments ago. This just came in. Senator Mark Wayne Mullen, of course, *** massive, massive ally to the president. The senator calls President Trump one of his personal friends. And so this is *** huge move, leaving the US Senate, which is Considered, of course, *** prime job in Washington DC to run the Department of Homeland Security. The president saying that Mark Wayne Mullen has done *** tremendous job representing the wonderful people of Oklahoma, saying that he will work tirelessly to keep our border secure, stop migrant crime, murderers, and other criminals from illegally entering our country. Big news. Mark Wayne Mullen leaving the Senate to become the Secretary of the Department of Homeland Security.
U.S. Sen. Markwayne Mullin, Oklahoma’s junior senator, has been named the secretary of Homeland Security, replacing Kristi Noem. | MORE | Sen. Markwayne Mullin talks State of the Union address, heated confrontationsMullin, a Republican and ally of President Donald Trump, will take the position on March 31, according to Trump on Truth Social. Trump announced that Noem will be moving from her position as secretary to a role with the “Special Envoy for the Shields of Americas,” a new security initiative in the Western Hemisphere. Noem has served as secretary of Homeland Security since Trump took office in 2025. She has faced scrutiny in recent months for the presence of U.S. Immigration and Customs Enforcement officers in cities like Minneapolis, where two U.S. citizens were killed. She also faced pushback from federal lawmakers while testifying on Capitol Hill this week. Who is Sen. Markwayne Mullin? Mullin was sworn into the Senate in January of 2023. He previously served in the U.S. House of Representatives, where he represented Oklahoma’s 2nd Congressional District, for 10 years. Oklahoma’s junior senator grew up in Westville, where his family founded Mullin Plumbing. He took over the business from his father before entering the world of politics. Mullin has made headlines during his time on Capitol Hill, including most recently during Trump’s State of the Union address, when he tried to grab a sign from Rep. Al Green, a Democrat from Texas’ hands. >> Video Below: Sen. Markwayne Mullin talks State of the Union address, heated confrontationsDuring his first year in the Senate, Mullin also made headlines from a heated exchange with Sean O’Brien, the general president of the International Brotherhood of Teamsters, during a committee hearing. “You want to run your mouth. We can be two consenting adults. We can finish it here,” Mullin said to O’Brien during the 2023 confrontation. >> Video Below: Markwayne Mullin appears to try to fight Teamster leader during hearingMullin is also a former Mixed Martial Arts fighter, and he was inducted into the Oklahoma Wrestling Hall of Fame in 2016. He is also a member of the Cherokee Nation.President Donald Trump’s announcementThe president made the announcement on Thursday. Read the full Truth Social post below: “I am pleased to announce that the Highly Respected United States Senator from the Great State of Oklahoma, Markwayne Mullin, will become the United States Secretary of Homeland Security (DHS), effective March 31, 2026. The current Secretary, Kristi Noem, who has served us well, and has had numerous and spectacular results (especially on the Border!), will be moving to be Special Envoy for The Shield of the Americas, our new Security Initiative in the Western Hemisphere we are announcing on Saturday in Doral, Florida. I thank Kristi for her service at “Homeland.” Serving 10 years in the United States House of Representatives, and 3 in the Senate, Markwayne has done a tremendous job representing the wonderful People of Oklahoma, where I won all 77 out of 77 Counties — in 2016, 2020, and 2024! A MAGA Warrior, and former undefeated professional MMA fighter, Markwayne truly gets along well with people, and knows the Wisdom and Courage required to Advance our America First Agenda. As the only Native American in the Senate, Markwayne is a fantastic advocate for our incredible Tribal Communities. Markwayne will work tirelessly to Keep our Border Secure, Stop Migrant Crime, Murderers, and other Criminals from illegally entering our Country, End the Scourge of Illegal Drugs and, MAKE AMERICA SAFE AGAIN. Markwayne will make a spectacular Secretary of Homeland Security. Thank you for your attention to this matter!”PRESIDENT DONALD J. TRUMP
U.S. Sen. Markwayne Mullin, Oklahoma’s junior senator, has been named the secretary of Homeland Security, replacing Kristi Noem.
| MORE | Sen. Markwayne Mullin talks State of the Union address, heated confrontations
Mullin, a Republican and ally of President Donald Trump, will take the position on March 31, according to Trump on Truth Social. Trump announced that Noem will be moving from her position as secretary to a role with the “Special Envoy for the Shields of Americas,” a new security initiative in the Western Hemisphere.
Noem has served as secretary of Homeland Security since Trump took office in 2025. She has faced scrutiny in recent months for the presence of U.S. Immigration and Customs Enforcement officers in cities like Minneapolis, where two U.S. citizens were killed.
She also faced pushback from federal lawmakers while testifying on Capitol Hill this week.
Who is Sen. Markwayne Mullin?
Mullin was sworn into the Senate in January of 2023. He previously served in the U.S. House of Representatives, where he represented Oklahoma’s 2nd Congressional District, for 10 years.
Oklahoma’s junior senator grew up in Westville, where his family founded Mullin Plumbing. He took over the business from his father before entering the world of politics.
Mullin has made headlines during his time on Capitol Hill, including most recently during Trump’s State of the Union address, when he tried to grab a sign from Rep. Al Green, a Democrat from Texas’ hands.
>> Video Below: Sen. Markwayne Mullin talks State of the Union address, heated confrontations
During his first year in the Senate, Mullin also made headlines from a heated exchange with Sean O’Brien, the general president of the International Brotherhood of Teamsters, during a committee hearing.
“You want to run your mouth. We can be two consenting adults. We can finish it here,” Mullin said to O’Brien during the 2023 confrontation.
>> Video Below: Markwayne Mullin appears to try to fight Teamster leader during hearing
Mullin is also a former Mixed Martial Arts fighter, and he was inducted into the Oklahoma Wrestling Hall of Fame in 2016. He is also a member of the Cherokee Nation.
President Donald Trump’s announcement
The president made the announcement on Thursday. Read the full Truth Social post below:
“I am pleased to announce that the Highly Respected United States Senator from the Great State of Oklahoma, Markwayne Mullin, will become the United States Secretary of Homeland Security (DHS), effective March 31, 2026. The current Secretary, Kristi Noem, who has served us well, and has had numerous and spectacular results (especially on the Border!), will be moving to be Special Envoy for The Shield of the Americas, our new Security Initiative in the Western Hemisphere we are announcing on Saturday in Doral, Florida. I thank Kristi for her service at “Homeland.” Serving 10 years in the United States House of Representatives, and 3 in the Senate, Markwayne has done a tremendous job representing the wonderful People of Oklahoma, where I won all 77 out of 77 Counties — in 2016, 2020, and 2024! A MAGA Warrior, and former undefeated professional MMA fighter, Markwayne truly gets along well with people, and knows the Wisdom and Courage required to Advance our America First Agenda. As the only Native American in the Senate, Markwayne is a fantastic advocate for our incredible Tribal Communities. Markwayne will work tirelessly to Keep our Border Secure, Stop Migrant Crime, Murderers, and other Criminals from illegally entering our Country, End the Scourge of Illegal Drugs and, MAKE AMERICA SAFE AGAIN. Markwayne will make a spectacular Secretary of Homeland Security. Thank you for your attention to this matter!”PRESIDENT DONALD J. TRUMP