From the home screen of your dashboard, click on "Organization." Under Organization, click on "Users."

When you click into the Users section, you'll be brought to your list of admins for your account:

While on the Users section of the Organization tab, click on "Add Admin User" on the left-hand sidebar.

After clicking the "Add Admin User" button you'll be asked to enter the administrator's email address. Once you've added this information click the "Grant Access" button.

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After you've granted the user access, that particular address will receive an email with instructions on how to verify their account and set up a password.
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The username will just be their email address.

​Note: Please reach out to enterprise-support@givegab.com if you have any other questions regarding new administrative user set up.