Chances are good there’s a psychopath on your management team. Seriously. I’m not talking about the “psycho” boss that employees like to carp about—the hard-driving supervisor who sometimes loses it. He’s just difficult. Nor am I referring to the sort of homicidal “psychopath” Hollywood likes to serve up—Freddy Krueger, say, or Brando’s Colonel Kurtz. Neither is, clinically speaking, a psychopath.

A version of this article appeared in the October 2004 issue of Harvard Business Review.