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Madison Horn is an American businesswoman, cybersecurity expert, and political figure. She has run for elected office multiple times in her home state of Oklahoma. [1]
Horn was raised in Stilwell, Oklahoma. She is a citizen of Cherokee Nation. [2]
Horn started her career working odd jobs before being hired by a cybersecurity firm and working her way to more prominent roles at companies like Accenture and Siemens. [3] In 2023, she was named CEO of Critical Fault. [4] As of 2025, Horn is the Founder and CEO of RoseRock Advisory Group, and leads WWT's National Security and Critical Infrastructure practice. [1] She also educates and advises policymakers on cybersecurity and technology policy. [5]
Horn has stated that she identified as a Republican "much longer" than she had been a Democrat, expressing her frustration with partisan politics. [6] [7] Horn has also run for office on platforms of protecting U.S. technology and national security. [8] [1] [9]
In 2022, Horn ran for the U.S. Senate as a "conservative Democrat." [10] [11] Horn won the runoff election for the Democratic nomination in August 2022. [12] She lost the general election to James Lankford. [6]
In 2024, Horn ran to represent Oklahoma's fifth Congressional district in Congress. [7] She lost to Stephanie Bice. [13] [14]
Despite sharing a last name, Horn is not related to former Congresswoman Kendra Horn, also of Oklahoma. [6]
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