Alan Armstrong (Statewide)

Biography

Alan Stuart Armstrong is a Republican U.S. Senator from Oklahoma, serving as the junior senator since his appointment on March 24, 2026, by Governor Kevin Stitt to fill the vacancy left by Markwayne Mullin's nomination as Secretary of Homeland Security. Born in McLennan County, Texas, and raised in Bartlesville, he resides in Tulsa with his wife and four children. Prior to politics, he was a prominent businessman, leading the Williams Companies, an oil and gas firm, as president and CEO from 2011 to 2025. Notable positions include his 2022 appointment by President Joe Biden to the National Infrastructure Advisory Council; he also donated to Rep. Adam Kinzinger post-January 6, 2021, Capitol attack.

Education and Political Experience

Armstrong began his career in 1986 as an engineer at Williams Companies, advancing through multiple divisions before becoming its top executive. His political experience is primarily through his recent Senate appointment, with his term set to end January 3, following an unspecified special election cycle. No specific details on formal education are available from public records.