If your account is an administrator account, then you can make yourself a site manager of
any site that you're a member of.
Note: Users who aren't an SkyVault administrator don't have this option. They need to request a
role change from an existing site manager.
In a site click 
then
Become Site Manager.
then
Become Site Manager.
You are now a manager of the site. You'll see that you have additional options available
when you click .
.