Challenge of Identifying Competencies Needed by Leaders
The particular competencies (knowledge, skills and abilities) or qualities that a person needs in order to lead at a particular time in an organization depend on a variety of factors, including:
1) Whether that person is leading one other individual, a group or a large organization;
2) The extent of leadership skills that person already has;
3) That person's basic nature and values (competencies should be chosen that are in accordance with that nature and those values);
4) Whether the group or organization is for-profit or nonprofit, new or long-established, and large or small;
5) The particular culture (or values and associated behaviors) of whomever is being led.
The above considerations can make it very challenging when trying to determine what competencies someone should have in order to be a better leader. Perhaps that's why leadership training programs in institutions typically assert a set of standard competencies, for example, decision making, problem solving, managing power and influence, and building trust.

Leadership Competence Model
A competency model is an integrated approach, a framework, that can be used to identify the competencies (new knowledge, skills and abilities) and qualities required by leadership in various contexts. Consider the following articles.
A leadership competency model should serve as the foundation for any organization’s leadership development system. An effective model allows an organization to clearly define what leadership competencies are required in order for an organization to be successful, both now and in the future. Leadership development systems (selection, assessment, development, performance management, succession planning) can then be aligned to support the development of these competencies.

While the idea has been around for at least 20 years, a recent Right Management survey says that half of all corporations today have no model for identifying...