# Manage domain unit owners in Amazon DataZone
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In Amazon DataZone, domain units enable you to organize your assets and other domain entities under specific business units and teams. For more information, see [Amazon DataZone terminology and concepts](datazone-concepts.md). 

To add owners to the top level domain unit via the Amazon DataZone management console, complete the following steps. 

1. Navigate to the Amazon DataZone console at [https://console.aws.amazon.com/datazone](https://console.aws.amazon.com/datazone) and sign in with your account credentials.

1. Choose **View domains** and choose the Amazon DataZone domain where you want to add domain unit owners.

1. On the domain details page, navigate to the **Domain root owners** table.

1. Choose **Add**, and then specify users that you want to make domain unit owners. Choose **Add root domain owner(s)**.

To add domain unit owners via the Amazon DataZone Data Portal, complete the following procedure:

1. Navigate to the Amazon DataZone data portal using the data portal URL and log in using your SSO or AWS credentials. If you’re an Amazon DataZone administrator, you can obtain the data portal URL by accessing the Amazon DataZone console at [https://console.aws.amazon.com/datazone](https://console.aws.amazon.com/datazone) in the AWS account where the Amazon DataZone domain was created.

1. Choose **View domains** and choose the domain and the domain unit where you want to add domain unit owners.

1. On the domain unit details page, choose the **Owners** tab and then choose **Add owners**.

1. In the **Add domain unit owners** pop up window, specify the users that you want to make domain unit owners and then choose **Add owners**.