Adding Team Member as Enterprise Admin
1 - Click on the "ENTERPRISE" tab at the top of your dashboard
2 - Click on the "ENTERPRISE" side bar on the left.
3 - Once you have clicked to open the sidebar, click the small "^" to the right of the team you would like to add a user to.
4 - Find the "Add New Team Member" box and type the user's name or find the name you are looking for in the dropdown options that appear below the text field. Once the user's name is in the text field, the user is added.