You can invite station team members as Staff or Producers via the People section, located under the Management tab.
Let's see the procedure step by step.
You can add new users by clicking on the "Add People" option and selecting the respective role; 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.
You can edit the properties of a user as instructed in this guide.
Please note that adding people (Staff, Producers) to manage the Station or their assigned Show(s), becomes available starting on the Professional plan. The 'Simulcast' and 'Broadcaster' plan will not allow the owner of the radio station to invite and manage extra users.