OK, this is slightly off topic, but I'd be really interested in knowing how employees of totally orthogonal skills coordinate in this kind of hierarchy. For example, I had wondered if much of the great humor and wit was just a side projector some supremely talented employee whose main job was to write 3d renderers.
But they do have chief writers, as I guess should be obvious http://www.gamasutra.com/view/feature/132539/valves_writers_...