For many reasons it is advisable to choose a new leader from the ranks of current employees. The given employee usually has a detailed knowledge of procedures in your company as well as its priorities and individual employees; thus the training costs are much lower than if you were to choose an "outsider". The difficult task now awaits you, the HR department, of introducing a regular employee into a new role as a leader. Here is some advice on how this may be done in four easy steps.