The man was a certified genius and a Ward of the State.

In this era of information overload, only a certified genius is allowed to stay so far ahead of the audience.

He was a certified genius on the computer, and that was what he wanted to work with.

He's a certified genius, she says and, guess what?

That, and the certified genius of the generalissimo.

"Whoever set this up was a certified genius."

The guy was a certified genius when it came to wine, no question, and the champagne was the best of the lot.

The result is that certified geniuses and unmistakable crackpots frequently come in contact.

A certified genius, she specializes in chemistry and other sciences.