Interim Managers are commonly used when a business is between leaders; when one has left and you are waiting on another. Sometimes they are used when a Key Manager is absent, and the role cannot be left as a shared responsibility among different parties. More often than not an Interim Manager performs much like an external consultant, they are highly experienced individuals who can help your company efficiently solve problems.
If those are the usual and customary times Interim Managers are used, what does that mean to your business? What are the details regarding those key uses?