For most heads of department, replacing staff can be a time consuming and laborious process which eats into time that could be utilised in a more productive way. In some cases, it can even swallow up personal time, as many job interviews take place before or after work. Inevitably, there will always be an element of staff mobility. However, many resignations are the result of people feeling frustrated, under-utilised or simply not appreciated by their current employer and could be avoided with just a little more thought and planning .