Organization owners and team maintainers have administrative permissions for teams in an organization, including repository access and team visibility.
Team maintainers and organization owners can edit the name and description of a team.
Team maintainers and organization owners can determine whether a team is visible or secret.
People with owner or team maintainer permissions can add organization members to teams. People with owner permissions can also invite non-members to join a team and the organization.
People with owner or team maintainer permissions can remove team members from a team. This may be necessary if a person no longer needs access to a repository the team grants, or if a person is no longer focused on a team's projects.
Organization owners can manage any person's access to a repository, as well as other relevant information about the person's relationship to the organization.
Organization owners and team maintainers can add repositories to a team, as well as change the team's read, write, and admin access to the repository.