Bill Gates

William Henry "Bill" Gates III (born October 28, 1955) is an American business magnate, philanthropist, investor, computer programmer, and inventor. Gates originally established his reputation as the co-founder of Microsoft, the world’s largest PC software company, with Paul Allen. During his career at Microsoft, Gates held the positions of chairman, CEO and chief software architect, and was also the largest individual shareholder up until May 2014. He has also authored and co-authored several books.

Today he is consistently ranked in the Forbes list of the world's wealthiest people and was the wealthiest overall from 1995 to 2014—excluding a few brief periods post-2008. Between 2009 and 2014 his wealth more than doubled from $40 billion to more than $82 billion. Between 2013 and 2014 his wealth increased by $15 billion, or around $1.5 billion more than the entire GDP of Iceland in 2014.

Gates is one of the best-known entrepreneurs of the personal computer revolution. Gates has been criticized for his business tactics, which have been considered anti-competitive, an opinion which has in some cases been upheld by numerous court rulings. In the later stages of his career, Gates has pursued a number of philanthropic endeavors, donating large amounts of money to various charitable organizations and scientific research programs through the Bill & Melinda Gates Foundation, established in 2000.

Gates stepped down as chief executive officer of Microsoft in January 2000. He remained as chairman and created the position of chief software architect for himself. In June 2006, Gates announced that he would be transitioning from full-time work at Microsoft to part-time work, and full-time work at the Bill & Melinda Gates Foundation. He gradually transferred his duties to Ray Ozzie (who has since left Microsoft), chief software architect, and Craig Mundie, chief research and strategy officer. Gates's last full-time day at Microsoft was June 27, 2008. He stepped down as chairman of Microsoft in February 2014, taking on a new post as technology advisor to support newly appointed CEO Satya Nadella.

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