Effective problem solvers have both deep and broad knowledge. Depth of knowledge usually isn’t the problem, because it is the central component of many formal training programs. However, most of us don’t receive much training on developing the broad, transferable or generalist skills that make us good strategic thinkers. So you need to take the matter in your own hands.
This is an excerpt of my post on MIT Sloan Executive Education’s innovation@work Blog. I’ve also included below an expanded list of resources.