A Brady Campaign 'Gun Owner Data Base'?

It's been noted that the individual involved in suing various online retailers over the Colorado movie theatre shooting and who now owes $220K is a Brady employee (6 months after the event). Something interesting was noted on his Linkedin Profile:

Experience

Manager Organizing Department Brady Campaign

Brady Campaign & Center to Prevent Gun Violence

January 2013 – Present (2 years 4 months)San Antonio, Texas Area

* worked in the organizing department doing outreach to victim/survivors of gun violence * Led the department in adding names of gun owners to data base
* Worked closely with communications department to connect with national media to do television
interviews related to gun violence.
* Lobbied national and state congressional legislators to pass reasonable restrictions on gun
ownership.
*Designed and implemented training programs on gun basics and how to engage gun owners for
Brady chapters.
*Did inspirational talks to grass roots volunteers in Washington state in their efforts to pass
legislation for background checks on all gun sales.
*Spoke at fund raising events.

Led the department in adding names of gun owners to data base?  What?  So what exactly is this Brady 'Data Base' that they're adding names to?  Why are they creating it? What is its purpose?

Inquiring minds want to know.