Bill Gates steps down from Microsoft board
Microsoft co-founder Bill Gates is stepping down from the company's board to spend more time on philanthropic activities.
He says he wants to focus on global health and development, education, and tackling climate change.
One of the world's richest men, Mr Gates has also left the board of Warren Buffett's massive holding company Berkshire Hathaway.
He stepped down from his role running Microsoft in 2008.
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