OpenSecrets[1] and Sunlight Foundation[2] are great places to start. That said, IMO the greatest change is achieved by canvassing, working in public policy, or running for office oneself. Senator Jacky Rosen (D - NV), a former Software Developer, is a great example.
Well, who is making decisions and how are they being made. What metrics matter? How can we judge them better? How can we improve them in people?
Or, to go even further, have you ever seen Star Trek where they use the holodeck for Training? They have many real-world scenarios so that they can build experience. Couldn't the same be done in many other domains.
Not being facetious, curious to hear what your views are.