Adding or Removing a Group Administrator (Session Administrator)

As a series admin navigate to the vertical Admin menu on the left-hand side of the series.
Click on Members.
Click on the List Members tab.
Select a member in the group.
Select Modify OG user roles.
Click the Execute button.
Select the Administrator member role under Add Roles if you wish to give a member a group administrator role.
Select the Administrator member role under Remove roles if you wish to revoke the group administrator role from a member.
Click the Next button.
Click the Confirm button once you have confirmed that the changes are correct.
Click Cancel to cancel the operation.