Transfer access requests to another user

[nmazloum]

I have a sharepoint site that I (and a few other users) am getting access requests for. I want to add another user so they also receive access requests. I have added them to all the same permission groups but they are still not getting the requests. 

When I click "Access Request Settings" it shows access requests going to a group called "Project Services Collaboration Admins" that I can not see in the main permissions (see pictures).

Any idea what to do here? 

[#2]

Is your user an Admin in the site? By the way I think Project Services Collaboration is just the name of the site

[#3]

No they do not but neither do I and neither did the person who gave me access to manage access requests.