There are hundreds and thousands of multinational companies thriving all over the world. It is very interesting to see which of these companies and its CEOs are topping the list, even at the most critical economic time that the world has ever faced.

Here goes a list of top 5 CEOs who have determinedly worked towards being the most successful people in the world...

Jobs, Buffet, Nooyi among top 5 CEOs of the decade

Warren Buffet (Berkshire Hathaway)

If Warren is considered as the greatest investor of all time, there are solid reasons for this. Buffet intelligently built up Berkshire Hathaway's cash reserves and turned down 'attractive' bailout offers from distressed firms during the economic crisis. Berkshire had $27.9 billion in cash at the end of 2008.

Buffett is often called the "Oracle of Omaha"or the "Sage of Omaha"and is noted for his adherence to the value investing philosophy and for his personal frugality despite his immense wealth.Buffett is also a notable philanthropist, having pledged to give away 85 percent of his fortune to the Gates Foundation. He also serves as a member of the board of trustees at Grinnell College.

In 1999, Buffett was named the top money manager of the twentieth century in a survey by the Carson Group, ahead of Peter Lynch and John Templeton. In 2007, he was listed among Time's 100 Most Influential People in the world.