C3.ai (stylized as C3 AI) is an American information technology company specializing in enterprise artificial intelligence. Based in Redwood City, California, the company was founded in 2009 by Thomas Siebel and became a public company in 2020 on the New York Stock Exchange. On September 3, 2025 C3 AI announced that Stephen Ehikian, former acting administrator of the General Services Administration, had been appointed chief executive officer (CEO) effective September 1, with Siebel continuing as executive chairman. More information...
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