Amazon Founder and the world’s richest person Jeff Bezos has now become twice as rich as Facebook CEO Mark Zuckerberg, the world’s fifth richest person. Bezos’ net worth has hit $140 billion, twice of Zuckerberg’s $69.9 billion wealth, as per Bloomberg Billionaires Index. Microsoft Co-founder Bill Gates remains the world’s second richest person with a net worth of $105 billion.