|Dynamics, social diversity and interaction is always evolving, in line with the group means was always fit in, along with the dynamics. With the situation and social conditions necessary to conduct a more accommodating management, transparency, and efficient and effective in achieving organizational goals. In such circumstances is not only a leader can use only one style of leadership in diverse conditions, therefore a situational leadership style as an alternative model of leadership style in the modern era, according Paul Hersey and Kenneth H. Blanchard (Stoner, 1991). Based on analytical results obtained F calculated F test of 9.296 while the Ftable (α 0.05) 2.820 F thus calculated is larger than the table F (Fcalculated > Ftable) so that it can be concluded that the independent variable (X) jointly (simultaneously) significantly influence the dependent variable (Y). Lea-dership style in this study the independent variable (Democratic (X1), Autocratic (X2), Charismatic (X3), Paternalistic (X4) and Laissez Faire (X5)). Climate influen-ce on Work Organization (Y) at the Department of Social Berau.
Kata kunci: kepemimpinan, kepemimpinan situasional, era modern