A familiar face takes over the top spot on Forbes' list of the world's richest billionaires.
2. Warren Buffett -- The 84-year-old CEO of Berkshire Hathaway is worth an estimated $73 billion.
No email address was supplied by
To complete your registration on this site, please supply an address.
Please confirm or modify the email address to which you will have subscription offers sent.
For a more personalized experience, please supply the following optional information.