Adding teammates to your workspace
In order to add new team members to your workspace, head to Settings -> Team Members -> click on +Invite Members -> add the email you'd like to invite.
You'll also be able to set the role and workspaces that this new user will have access to.
Team members can see each other's campaigns, segments and all other account data.
Roles & Permissions
There are 4 roles and permissions a profile can have :
Note : Admins can access all Workspaces for the account.