As an organization admin with team account permissions, you are able to work with different projects on different desks.
In order to work on different desks in the web-desk please follow: How do I select a desk from my organization's desks?
In order to choose your desk on the App:
1. Go to My Profile:
2. Click on "Teleprompter settings":
3. Click on "Desk For New Projects" and select the relevant desk: