If you enable user deprovisioning to manage organization membership in your enterprise account, you could end up with an organization that has no organization owners. For more information, see "Enforcing security settings in your enterprise account."
In the top-right corner of GitHub, click your profile photo, then click Your enterprises.
In the list of enterprises, click the enterprise you want to view.
- To the right of the search field, click X unowned.
- To the right of the organization you want to assume ownership of, click Become an owner.
- Read the warning, then click Become an owner.