According to the Project Management Institute (2013), in addition to any area specific skills and general management proficiencies required for the project, effective project management requires that the project manager possesses the three following competencies: knowledge, performance and personal. The first one refers to what project manager knows about project management; the second one refers to what project manager is able to do or accomplish while applying his or her project management knowledge; and the last one refers to how project manager behaves when performing the project or related activity, which encompasses attitudes, core personality characteristics, and leadership.