The European Union is 'doomed to fail,' says 'Black Swan' author Nassim Taleb

In fact, the U.K.'s vote to exit the EU last week didn't turn out to be the catastrophe that was expected, he said. While Brexit fears initially rattled global markets, stocks have been climbing back up over the last few days.

While he's against the current bureaucracy in place in the Europe, he still believes countries can work together, forming free trade agreements and joint military and economic policies. He envisions an Anglo-Saxon economic zone that encompasses the U.S., Ireland, Scotland and Britain.