Succession planning is essential for any business or organization. Identifying people among your employees who can be developed to fill key leadership positions in the future is a great idea that makes good business sense. After all, studies show that promoting from within usually beats external hiring.i However, developing potential leaders assumes an understanding of leadership that is all too often lacking in those charged with establishing succession planning. This white paper reviews different ways to define leadership, provides an overview of a variety of approaches to leadership as well as a new leadership model that pulls it all together.