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Secretary Markwayne Mullin

Secretary of Homeland Security · U.S. Department of Homeland Security

Head of the Department of Homeland Security since March 31, 2026. A member of the President's Cabinet.

In office since March 31, 2026.

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Phone

Main office202-282-8000📞 Call

Office

U.S. Department of Homeland Security
2707 Martin Luther King Jr Avenue SE
Washington, DC 20528

Online

homepagedhs.gov

wikipediaen.wikipedia.org/wiki/Markwayne_Mullin

Personal email addresses and direct lines are not published. To write, use the contact page on the official website.

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Source: congress-legislators and Wikidata. Official portrait. Last checked October 28, 2026. Official website ↗