Bill Gates is the co-founder and chairmen of Microsoft. the company that controls a large part of the world's personal computer software. He owns property worth about $ 15,000,000,000. The decisions and statements that he makes have more long-term global influence than those of most politicians. Microsoft dominates the software market so much that the US Justice Department stopped it from taking over a rival company, Intuit, fearing that Microsoft was going to become a monopoly.