Steven Anthony Ballmer (/ˈbɔːlmər/; March 24, 1956) is an American billionaire businessman and investor who served as the chief executive officer of Microsoft from 2000 to 2014. He is the owner of the Los Angeles Clippers of the National Basketball Association (NBA). As of June 2023, Bloomberg Billionaires Index estimates his personal wealth at around $114 billion, making him the ninth-richest person in the world.