You can contact the open data team directly by e-mailing opendata@it.ox.ac.uk.
The University has an open data mailling list at opendata@maillist.ox.ac.uk, which you can join by sending a blank e-mail to opendata-subscribe@maillist.ox.ac.uk.
The open data team works with colleagues in the higher education and government open data communities to ensure communal best practice. These include: