The Hell’s Angels aren’t elite, but they’re exclusive. Harvard Business School is both elite and exclusive. So are the Navy Seals. It’s easy to get confused in our quest to build something that matters. It seems as though we ought to work to make our organization elite, to let the New York Times proclaim that our opera is worth seeing, or to hope that the upperclassmen will like our performance on the field. In fact, though, it’s exclusive institutions that change things.