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Markwayne Mullin
RepublicanSecretary of Homeland Security| Age | 48 (b. 1977-07-26) |
| Gender | Male |
| In office since | 2025-01-20 (~1 yrs) |
| Race / ethnicity | Native American (enrolled citizen of the Cherokee Nation); Cherokee through maternal grandfather |
| Religion | Christian (Pentecostal; family attended Coweta Assembly of God Church) |
| Education | Graduated Stilwell High School (1996); attended Missouri Valley College on a wrestling scholarship; earned an Associate in Applied Science (Plumbing) from Oklahoma State University Institute of Technology in 2010; received an honorary doctorate from Bacone College in 2018. Was the only U.S. senator in the 118th Congress without a bachelor's degree. |
| Prior occupation | Businessman (owner of Mullin Plumbing and affiliated home-services/environmental/ranching companies); former professional mixed martial arts fighter; radio talk-show host |
| Military service | No |
| Birthplace | Tulsa, Oklahoma |
| Marital status | Married — Christie Renee Mullin (nee Rowan) |
| Children | 6 |
| Residence | Westville, Oklahoma |
Pending research: languages · notable relatives · openly lgbtq.
Career & politics
| First elected | 2012 |
| Previous offices | U.S. Representative, Oklahoma's 2nd congressional district (2013-2023) · U.S. Senator from Oklahoma (2023-2026) |
| Leadership | Deputy Whip, U.S. House Republican Conference (from 2015) |
| Ideology | Conservative Republican; described by the New York Times and Associated Press as an immigration hardliner and one of Trump's closest Senate allies |
| Signature legislation | Muhammad Ali Expansion Act (introduced 2016, to extend boxing-style reforms to mixed martial arts) |
Financial
Net worth: disclosed $24,400,000–$83,500,000 (2024) · estimate
| IWB - iShares Russell 1000 ETF | fund · –$5,000,000 · 2025 |
| TRBCX - T. Rowe Price Blue Chip Growth Fund | fund · –$5,000,000 · 2025 |
| Washington DC investment property | real_estate · –$5,000,000 · 2025 |
| S Elm Pl property | real_estate · –$5,000,000 · 2025 |
| Mullin Ranch LLC | business_owned · –$5,000,000 · 2025 |
Top donors: Devon Energy (employees and PAC; top career contributor 2011-2024) ($104,950) · AIPAC (largest contributor in 2022 cycle) ($89,000)
Top industries: Oil & Gas (top career industry, ~$1.33M)
Scandals & crimes ledger
resolved — House Ethics Committee ordered repayment of $40,000 to family plumbing business
After a multi-year ethics review beginning with a December 2013 Office of Congressional Ethics referral, the House Ethics Committee in August 2018 issued a formal report (H. Rept. 115-898) and ordered Rep. Markwayne Mullin to return $40,000 he had received from his family business, Mullin West, finding the payments were out of compliance with House rules. The committee characterized the conduct as an inadvertent accounting error following good-faith efforts to follow its guidance rather than a willful violation. Mullin remained in office.
resolved — House Ethics Committee Investigation: Outside Earned Income and Business Endorsements (OCE Referral / H. Rept. 115-898)
The OCE referred Mullin to the House Ethics Committee in December 2013 after he earned more than $600,000 in 2013 from Mullin Plumbing, Inc. and affiliated companies — well above the outside earned income limit then applicable to Members of Congress (~$26,955) — and appeared in radio, TV, and internet ads for the companies while serving on their boards. After a nearly five-year investigation, the Ethics Committee's August 2018 report (H. Rept. 115-898) cleared him of the main allegations, finding he had acted in good faith, but required him to repay $40,000 inadvertently disbursed to him after he had transferred ownership of Mullin West to his spouse. No reprimand was issued.