I'll see what I can dig up, but it may take some time!
In the meantime try contacting his HQ in RUH +966 1 211 1111 they should put you through to aviation division or give you the number. Hope you are think skinned as he is very particular on the sorts of FAs he wants in the cabin.
Do you have VVIP experience already?
How about NJME? I used to work with them and the rotation for FAs is great?