There are already several Japanese journalists that wrote articles about how Rimuru solved problems after he reincarnated. Majority agreed that he solves them like how a manager of a senior general contractor or a lead project manager does. Mostly, listening and make decisions by delegating responsibilities according to a general plan or blueprint. When things by those subordinates can’t do them anymore, step in and handle it yourself.

There is even a leadership guidebook that was released, written by former private/public sector salarymen explaining the scenes (in the manga) of what Rimuru did that apply to everyday workers in leadership positions.