To add a user to the Enterprise Organization, Click the Organization name in the top right corner of the screen --> Select Settings 
In the Settings View, click Users 
Click Add User in the top right corner of the Users settings.
Fill out their information and click Save. A password setup email will be sent immediately.
Please Note:
These users are able to access all Enterprise settings and can login to any of the accounts dependent upon this organization account.
Creating a New User in your Enterprise Organization
