Yes this is very specific, and I won't dare to make suggestions. But, have you seen the recent Phase One Blog that seems to describe working with this exact, or similar, problem, its
here
I think its using some of the new token features they added with 10.1, and its says:
"The power of this setup is that you are now able to simply right click the Capture Folder in the top of the Library Tool, select ‘New > Capture Folder’ and name it the initials of the next person, for example, JFU. The images will now automatically be stored in a folder called JFU as well as named accordingly..."
If you haven't read this, and seen its no help, it might be worth looking at.