The document summarizes a study conducted by American Express and the Volunteer Consulting Group on the leadership competencies that corporate executives can develop through serving on nonprofit boards. It finds that nonprofit board service provides opportunities to develop competencies like influencing others, collaborating effectively, strategic visioning, creating solutions, and developing talent. These competencies are important for leadership roles and can benefit executives in their careers. The document also provides details on competency frameworks and how they can be used for leadership development, succession planning, and performance evaluation.