Is it "proxy of the president director" or "president director's proxy"? Which one is correct?

Question

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ABC Ltd, in this case, is represented by NYOMAN as the *Proxy of the President Director*, therefore acting for and on behalf of the abovementioned company, who is hereinafter referred to as the SECOND PARTY.

Answer 1

Actually, they are both grammatically correct. In this case, I believe that as it is quoted would be the better way to express it.