Steven Anthony Ballmer (/ˈbɔːlmər/; March 24, 1956) is an American business magnate and investor who served as the chief executive officer of Microsoft from 2000 to 2014. He is the current owner of the Los Angeles Clippers of the National Basketball Association (NBA). As of November 2022, Bloomberg Billionaires Index estimates his personal wealth at around $79.7 billion, making him the tenth-richest person on Earth.