Leadership : past, present, and future / David V. Day & John Antonakis -- Leadership : science, nature, and nurture -- Aggregation processes and levels of analysis as organizing structures for leadership theory / Robert G. Lord & Jessica E. Dinh -- Advances in leadership research methods / Michael J. Zyphur, Adam P. Barsky, & Zhen Zhang -- The nature of leadership development / David V. Day -- The nature in leadership : evolutionary, biological, and social neuroscience perspectives / Mark Van Vugt -- The major schools of leadership -- Individual differences in leadership / Timothy A. Judge & David M. Long -- Contingencies, context, situation, and leadership / Roya Ayman & Susan Adams -- Transformational and charismatic leadership / John Antonakis -- The nature of relational leadership : a multi-theoretical lens on leadership relationships and processes / Mary Uhl-Bien, John Maslyn, & Sonia Ospina -- In the minds of followers : follower-centric approaches to leadership / Douglas J. Brown -- The nature of shared leadership / Christina L. Wassenaar & Craig L. Pearce -- Leadership and special domains -- Leadership and culture / Deanne N. Den Hartog & Marcus W. Dickson -- Leadership and gender / Linda L. Carli & Alice H. Eagly -- Leadership and identity / Daan van Knippenberg -- Ethics effectiveness : the nature of good leadership / Joanne B. Ciulla -- Conclusions -- The crucibles of authentic leadership / Warren Bennis.