This question will help your interviewer assess what you value in a leader, and the leadership style you likely model your leadership style after. The NSA places a great deal of emphasis on mentorship, and they are constantly looking for future leaders and mentors. They detail how theirs is an educated, intelligent, open-minded, and supportive work culture. They also describe their leadership as supportive of the needs of their teams while ensuring everyone's voice is heard. So keep this in mind when sharing an example of a leader who had a lasting impression on you and an impact on your character. Discuss the different qualities they had and how those qualities impacted the way you work in a manner that would complement their organization.