If your organization has multiple Asset Managers you can assign certain Asset Groups to each individual Manager in the application. 

To assign an Asset Group to an Asset Manager, Simply click on the plus sign next to the Asset manager's name and from the drop box select the groups you wish to assign. 

If you are not seeing any Asset Groups, you can go back to the Asset Groups tab in the menu and set up your Asset Groups How to set up Asset Groups

To delete an Asset Group that was linked to an Asset Manager.  Select the radio icon next to the Asset Group and submit.