1. Washington: Bill Gates
Bill Gates is the co-founder of Bill & Melinda Gates Foundation as well as the famous Microsoft Corp. He has a net worth of $81.5 billion. Almost 40 years ago, Gates established Microsoft with his pal Paul Allen, with the aim of putting a computer on every individual’s desk. Therefore, at present, 84 per cent of the US households have a computer. In addition to Microsoft, Gates and his wife, Melinda Gates, started a charitable foundation, fifteen years ago. They have put over $30 billion in this foundation, which aims to reduce inequity.