Introduction：

Consequently, to be an effective leader, the manager must impact of his associates in a positive way to accomplish the organizational goals and now there are mainly three main approach applications in leadership of organization, including trait approach, situational & contingency approach and transformational approach. And this style of leadership is more inclined to believe that the qualities a person is born, not developed or the relationships develop followers. The concept is that humanity is born with certain personality traits, called “a born leader” (Fred, R). For example, like these well-known people, Catherine the Great, Mohandas Gandhi, Abraham Lincoln, Joan of Arc, Napoleon Bonaparte and Steve Jobs, the common ground is that they are born leaders, the people are willing to follow with them because of the charisma (Bass, 1990; Jago, 1982). Next, situational leadership was developed by Paul Hersey, a professor, and Ken Blanchard, a leadership expert in 1977, and this theory focuses on the action of the leader depends upon the situational and followers (Cynthia, M). Closely related to the situational approach is what has become know as the contingency approach. The contingency theory of leadership was presented by the Austrian psychologist Fred Edward in 1964. Compared to situational approach, the contingency approach while emphasizing the situation, but also emphasizes the leaders personality (Sirje, V, 2009). Last, in the past two decades, a new paradigm for understanding leadership has gained more academic attention called transformational leadership. This theory was developed by Bernard Bass (1997), and transformational leadership has been found to be consistently related to organizational and leadership effectiveness (Bryman, 1992; Lowe, Kroeck, & Sivasubramaniam, 1996). However, the face of the current twenty-first century with new