Being a CEO is said to be a lonely job, but it helps when you can count investing oracle Warren Buffett as a trusted adviser.
That was the summation of
American Express
(ticker: AXP) Chief Executive Stephen Squeri, who recently sat down with Barron’s
Berkshire Hathaway
(BRK.A) is American Express’ largest shareholder, holding about 20% of its shares, according to FactSet data.