If someone is marked as a coach, they will be able to log into their TRIIB member profile and view their coaching schedule. You can assign them to classes on the schedule and they will populate to the Coached Classes Payroll Report.
Someone marked as staff has the above privileges, as well as access to the administrative side of TRIIB. Staff members can adjust memberships, charge store products, change the schedule, etc.
Someone marked as admin has the above privileges, as well as full access to all financial reports and deposit information.