The person or organization who owns the product.  This entity controls all aspects of the product, such as taking loans, changing beneficiaries, etc.

The field is accessed clicking on the Relations Tab for the product being viewed on the View Policy With Relations or View Coverage With Relations.

To fill in an owner in Advisors Assistant, just click on Elipse three dots icon to get the drop down list.  Then choose the name from the list or click on the Add button at the bottom of the list's screen to add a new name.