The phrase "potential future leader" refers to an individual who has the qualities, skills and abilities that make them a strong candidate for taking on leadership roles in the future. This person is seen as having great potential to become a successful leader, either within their current organization or in some other capacity. They may possess certain traits such as charisma, intelligence, decisiveness, strategic thinking, communication skills and emotional intelligence that are commonly associated with strong leaders. The phrase suggests that while this person has not yet taken on a leadership role, they have the potential to do so in the future if given the opportunity and proper development.