Staff development and potential identification are part of Air Traffic Management Organisations' Service Quality and Safety Management Systems. This deliverable describes how potential identification can be achieved through performance appraisal on past and current work. This deliverable also describes that for assessing the potential for some future work, some more exploratory methods need to be used. The iteration for maintaining and developing staff quality includes the different steps in establishing criteria, the use of performance appraisal and more exploratory methods.