Hiding the course from staff member

Hi Experts,

I am using tutor deployed on EC2 instance. I have my setup working.
All I am struggling to understand how a course can be hidden from all the staff user’s.

If I have Staff user A and B both of them can see all the courses. All I want to achieve is that if staff A is creating the course only they should be able to see the course not B.

Let me know if I am missing something here…