Steven A. "Steve" Ballmer was the CEO of Microsoft Corporation from January 2000 to May 2014. As of 2014, he is the owner of the NBA team the Los Angeles Clippers after Donald Sterling was fired. He is the second recorded person to become a billionaire in U.S. dollars based on stock options received as an employee of a corporation in which he was not founder or related to a founder. In Forbes 2008 World's Richest People ranking, Ballmer was ranked the 43rd richest person in the world, with an estimated net worth of $15 billion. It was announced on August 23, 2013 that he will step down as Microsoft CEO within 12 months.