Pier is a very attentive host. We didn't need too much from him but he seems like the kind of person who will try to accommodate just about anything you ask of him.
His apartment is located outside of Bologna's ZTL which is nice if you've got a vehicle. Even so, the location is quite good; we walked into the city centre every day and evening without hassle.
Pier's English is also more or less perfect (in case you haven't quite mastered the Italian language). Overall, highly recommended.