Politics · 5 March 2026
From MMA Fighter to Homeland Security Pick: Who Is Senator Markwayne Mullin?
Markwayne Mullin is a Republican U.S. senator from Oklahoma who has been nominated by President Donald Trump to lead the Department of Homeland Security. A former plumbing business owner, rancher, and mixed-martial-arts fighter, Mullin first entered Congress in 2013 before moving to the Senate in 2023. A member of the Cherokee Nation, he is one of the few Native Americans to serve in the U.S. Senate. Known as a strong Trump ally, Mullin has built a reputation for outspoken conservative politics.
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