You can invite staff members as administrators or producers via the People section at the management area of your radio station.

Let's see the procedure step by step. 

You can add new users by clicking on the button "Add People" and selecting the role for which you send an invitation. You can select to invite someone as a staff member or producer. 

A pop up window will appear as to add the email of the invited users.

The user will need to accept the invitation and login to Radiojar as to start managing or producing to the radio station.

You can make edits on the properties of a user as instructed in this guide.

You can add people to join you at your radio station, only if you have a 'Professional' plan and above. The 'Simulcast' and 'Broadcaster' plan will not allow the owner of the radio station to invite and manage extra users.