President Donald Trump says Republican Sen. Markwayne Mullin will replace Kristi Noem as Department of Homeland Security secretary
President Donald Trump announced that DHS Secretary Kristi Noem will move to a new role as Special Envoy for the Shield of the Americas, a major new Western Hemisphere security initiative, while appointing Sen. Markwayne Mullin to lead the department. Trump praised Mullin as a “MAGA Warrior” who will work tirelessly to secure the border, stop criminal migrants and illegal drugs, and advance the America First agenda.
🇺🇸 Administration Shake-Up
President Donald Trump announced Thursday that Department of Homeland Security Secretary Kristi Noem will leave her current role and take on a new position as Special Envoy for the Shield of the Americas, a major security initiative focused on strengthening cooperation across the Western Hemisphere. The initiative will be formally announced this weekend in Doral, Florida, signaling a broader expansion of the administration’s regional security strategy.
TRUMP ON TRUTH SOCIAL –
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
🛡️ New DHS Leadership
Trump also revealed that Sen. Markwayne Mullin (R-Okla.) will take over as Secretary of Homeland Security beginning March 31. The president praised Mullin as a “MAGA Warrior” who understands the strength and determination needed to advance the America First agenda and protect the nation’s borders.
🚔 Border Security Focus
According to Trump, Mullin will work aggressively to secure the U.S. border, stop migrant crime, prevent murderers and criminals from entering the country, and help end the flow of illegal drugs into American communities. The move signals the administration’s continued commitment to strong immigration enforcement and public safety.
🌎 Western Hemisphere Strategy
Noem’s new role as Special Envoy for the Shield of the Americas places her at the center of a new regional security effort aimed at strengthening partnerships throughout the Americas. The program is expected to focus on cooperation against cross-border crime, migration pressures, and broader security threats across the hemisphere.
📊 The Bottom Line
The leadership change highlights President Trump’s effort to refocus and strengthen national security priorities, placing experienced allies in key positions as his administration continues pushing forward with its border security and regional defense strategy. 🇺🇸
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🇺🇸 Markwayne Mullin — Full Profile
👤 Basic Information
- Full Name: Markwayne Mullin
- Born: July 26, 1977
- Birthplace: Tulsa, Oklahoma
- Political Party: Republican
- Tribal Nation: Cherokee Nation citizen
- Residence: Westville, Oklahoma
- Family: Married with six children
🏛️ Current Role
- United States Senator from Oklahoma
- Took office in 2023 after winning a special election.
- Previously served 10 years in the U.S. House of Representatives.
New Appointment
President Donald Trump announced Mullin will become Secretary of Homeland Security, replacing Kristi Noem and beginning the role on March 31.
Trump described him as a “MAGA Warrior” who will help advance the America First agenda.
🏛️ Political Career
U.S. Senate
- Senator from Oklahoma since 2023
- Known as a strong Trump ally in the Senate.
U.S. House of Representatives
- Represented Oklahoma’s 2nd Congressional District
- Served from 2013 to 2023
- Won multiple elections with large margins.
💼 Business Background
Before politics, Mullin was a successful businessman.
Family Business
- Took over Mullin Plumbing when he was 20 years old after his father became ill.
- Expanded it into a large regional plumbing company.
Other Work
- Owned several businesses.
- Hosted a home improvement radio show.
🧑🌾 Early Life
- Raised on a ranch in Oklahoma.
- One of seven children.
- Grew up in a working-class family and worked in the trades.
Education
- Graduated from Stilwell High School.
- Studied construction technology in college.
🥊 Unique Fact: Former Fighter
Mullin once competed in professional mixed martial arts (MMA).
- Professional record: 3 wins, 0 losses
He is one of the only U.S. senators with a professional fighting background.
🇺🇸 Historic Native American Representation
- Citizen of the Cherokee Nation.
- One of the few Native Americans to serve in the U.S. Senate in modern history.
🧭 Political Reputation
Known For
- Strong America First policies
- Border security advocacy
- Strong support for law enforcement and military
- Loyal supporter of President Trump
Style
- Very outspoken during Senate hearings.
- Often takes a direct, confrontational approach in debates.
👨👩👧 Personal Life
- Lives on a family ranch in Oklahoma.
- Married to his wife Christie.
- Father of six children, including adopted daughters.
✅ Short summary:
Markwayne Mullin is a businessman and rancher from Oklahoma who rose from the plumbing trade to Congress, served ten years in the House, became a U.S. senator in 2023, and has now been chosen by President Trump to lead the Department of Homeland Security.
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