Escalation Users are users that an Action or Checklist is escalated to in the event that the Person Responsible does not complete the item before the due date. Every user in Folio can have a set of Default Escalation Users that can then be selected when assigning them an Action/Checklist:
To change the Default Escalation Users for a user first click on the Admin gearwheel in the top-right of the screen, then click on the Users section:
Select the user that you want, then on the Details page for that user click on Edit:
Then on the Edit screen for that user under where it says Default Escalation you can select the users that you want to serve as the Default Escalation Users for this user:
When you are finished select Update.