Adding and removing users from teams is done via the Manage Workspaces menu.
Fuel Teams require an organization account, which allows its owners to manage organization members and resources to individual accounts associated with it. Users with Individual and Individual Plus plans will still retain all the features associate with their personal plans in addition to Team-specific features.
To begin, click on your profile pic in the upper right and click on Manage Workspaces.
Next, select the organization account you wish to manage.
Select the Teams tab, then click on the gear icon to the right of the team you wish to manage.
Adding Team Members
Click on the field with the other team members listed, and begin typing their email address or select from the dropdown list below. Once added, click on the green Update button.
Removing Team Members
Click on the X to the right of the users you wish to remove, then hit Update.