who is the microsoft co founder?
For other people named Paul Allen, see Paul Allen (disambiguation). Paul Gardner Allen (born January 21, 1953) is an American business magnate, investor and philanthropist. He is best known as the co-founder of Microsoft, alongside Bill Gates. As of August 2016, he was estimated to be the 40th richest person in the world, with an estimated net worth of $18.6 billion.
High school friends turned business partners Paul Allen and Bill Gates cofounded software giant Microsoft in 1975. Eight years later, Allen left Microsoft after he was diagnosed with Hodgkin's disease. He beat the disease. He plays guitar in a rock band called the Underthinkers.