Beyond helping someone get an initial hire, recommendation letters can also go a long way toward assisting someone with an internal promotion. If the promotion involves moving into a position of leadership, then a great rec letter from a supervisor or colleague can be useful in showing that the candidate's ready to move up.
In this sample reference, a supervisor recommends that a Customer Experience Advisor at a glasses company move into the position of Team Lead. Read on to see how the supervisor frames her letter.