"It's the one problem that even some of the most successful CEOs I've worked with never see coming and have no idea how to resolve.
The problem is that one day, suddenly, what once worked so well to propel their rise stops working. And the very same traits that had worked for them actually start working against them. Another stellar career comes to an abrupt end. Another high-flying executive is brought swiftly back down to earth.
This is the moment when leaders confront a critical and very uncomfortable question: What if there's a gap in what I think I know?"