Items for Author "however, his statement on leadership has not described what leadership is in a complete way. In fact, there are a variety of existing views on describing leadership. Some researchers conceptualize leadership as a trait or as a behavior, whereas others view leadership from an information-processing perspective or relational standpoint (Northouse, 2012). In the following sections, we will show you the highlight of leadership theories, a brief review for information systems (IS) leadership papers in recent years, and then discuss the similarities and differences between the different approaches and theories."