To add additional administrators to your MemberHub site, go to the Admin Consoleand click on the Settings tab. Once there click on Administrators under the Organization Settings menu on the right.
There you will see a list of all existing Organization Administrators. If you need to remove an administrator, simply click on the x beside that person's name.
If you need to add a new Organization Administrator, click on the Add Administrator button at the bottom of the list.
You will then see an Add Administrator pop-up. Enter the person's email address and Add a Personal Message if you'd like. Make sure to click Send Invitation. This will automatically add this email address to your People tab directory.
The person will receive an email which will include a link to activate them as an Organization Administrator.