[Mailman-Users] how to modify subscriber settings across all lists?

[Tamara Yoggev]

Hi,

I'm sure this question has been asked before. but I searched and googled and couldn't find a straight forward answer. 
So if someone could answer me, or point me in the right direction, I'd be highly appreciative.

Is there a way, and if there is what is it, to modify a subscribers information, 
across all lists?
for example: change a subscribers email address, without having to go into each list and find him there.

Thanks,
Tamara