In Google Nexus 7, you can set the owner information using the option available as part of the Security settings. Let us say if you want to display some message on the lock screen then you set that as part of the owner information.
Step 1: Launch the Settings screen on Nexus 7.
Step 2: In the Settings screen, tap the Security option under Personal section.
Step 3: Tap the Owner info option in the Security screen.
Step 4: Now enter the text that needs to be displayed on the lock screen.
Make sure to mark the check box with label as “Show owner info on lock screen”.
When the device is locked, the owner information will be displayed on the lock screen as shown below.