When former NBC News international correspondent Charles McLean's phone rang recently, it was a recruitment agency manager asking for advice on hiring a seasoned communications chief for the American Museum of Natural History in New York. The former college anthropology major, and, at the time, the Dilenschneider Group partner, saw the position as a perfect fit - for himself.

"I told [museum president] Ellen Futter I could remember when I was a sophomore in college," he recalls. "I came home ...