Leadership Competencies What are the 27 Leadership Competencies? A competency is a set of related skills, knowledge, attitudes, and behaviors that are: Observable and measurable Correlate with performance on the job Can be measured against well-accepted standards Can be improved with training and development BLM has adopted the 27 Leadership Competencies identified by OPM as essential for successful leadership. You can review the competencies and their definitions on the "tools" page of the NTC Leadership website.