Markwayne Mullen He has built a career spanning business, sports and politics. The Oklahoma senator first gained attention after he took over his family’s plumbing company when he was 20 years old and expanded it into a successful regional company. He later competed briefly as a professional mixed martial arts fighter before entering politics, serving in the US House of Representatives for ten years and then winning election to the Senate in 2022.
Now, Mullen is back in the national spotlight after Pres Donald Trump He announced that he intends to appoint him as the new US Secretary of Homeland Security to succeed him Kristi Noem. In a post on Truth Social, Trump wrote: “I am pleased to announce that the highly respected United States Senator from the Great State of Oklahoma, Markwayne Mullen, will become Secretary of Homeland Security of the United States, effective March 31, 2026.” Trump also praised Mullen as a “MAGA warrior, undefeated former professional MMA fighter,” adding that he believes the senator “will work tirelessly to keep our border safe” and “will make a great Secretary of Homeland Security.”
With Mullen’s candidacy attracting widespread attention, many are now curious about his background, career and financial standing. Learn more about Mullen’s net worth and how he built his wealth below.
How much money has Markwayne Mullen made from his mixed martial arts career?
Before entering politics, Mullen briefly competed as a professional mixed martial arts fighter. He competed in a small regional promotion between 2006 and 2007 and finished his career undefeated. However, since he has only had a handful of fights and competed outside of major organizations like the UFC, his earnings from his mixed martial arts career have been relatively modest.
What is Markwayne Mullen’s net worth?
Mullen is one of the richest members of Congress. Recent financial disclosures estimate his net worth at approximately $60 million to $65 million.
according to luckMullin built much of his fortune through his family-owned plumbing business, Mullin Plumbing, which he took over at the age of 20 and helped grow into a large regional company. His assets also include a large cattle ranch in Oklahoma along with his real estate holdings and other investments. His business background helped him accumulate significant wealth before entering politics.
How much money does Markwayne Mullen make now?
As a U.S. senator representing Oklahoma, Mullen earns the standard congressional salary of about $174,000 a year.
In March 2026, Mullen was nominated to serve as Secretary of Homeland Security following Noem’s departure. If confirmed, his salary would change to the Cabinet-level salary scale set for federal executive officials.
