Warren Buffett, 94, is one of the world’s richest people and could be the most prolific investor in history. Now the company he has run for nearly 60 years has hit a milestone. Warren Buffett, 94, is one of the world’s richest people and could be the most prolific investor in history. Now the company he has run for nearly 60 years has hit a milestone. Business / Companies Sydney Morning Herald – Latest News