It can be useful to look up the users with a given role or set of roles on your account. For example, you may wish to view the list of currently active System Administrators. Navarik provides a report name the "User Accounts" report that allows you to quickly view all users with a given role.
From your navigation menu, select "Reports":
Then select "User Accounts" in the "User Activity" section:
Set the parameters you wish to search by:
This will display a list of users with that role. The list can be exported to Excel if required.