With respect, you seem to be saying he should not be designing the buildings he does, but he should rather design a set of buildings that you have clear ideas a

With respect, you seem to be saying he should not be designing the buildings he does, but he should rather design a set of buildings that you have clear ideas about. Honest thought: try sketching out your ideas. Send them to him, and ask for feedback, from him and others. It sounds like you have some vision!