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Alan Armstrong

Alan Armstrong
U.S. Senator OK
Republican Service: 2026-present
G12 Dirksen Senate Office Building Washington, DC 20510
(202) 224-4721

Republican
OK
Senate
A Senator from Oklahoma. Born in McLennan County, Tex., July 11, 1962. Graduated Sooner High School, Bartlesville, Okla. B.S., civil engineering, University of Oklahoma, 1985. Engineer. Energy infrastructure company executive. Chair, National Petroleum Council 2026. Member, President's National Infrastructure Advisory Council. Appointed as a Republican to the United States Senate on March 24, 2026, to fill the vacancy caused by the resignation of Markwayne Mullin. Took the oath of office on March 24, 2026.
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