Leadership (Plane 2015) issues are a hot topic. The world suffers from a lack of proper leadership and organization. Some families, communities, countries are not able to produce the right leaders and leadership for the present and the future. Theories and practices of their formation are many, diverse, contradictory, many unsuited to the current and future context. There is little writing for the „general public” on this topic to understand the effects of the behavior of individuals, groups, structures on organizations, firms, enterprises to improve efficiency and effectiveness. The author has focused on some aspects, looking for the foundations of leadership and researcheson the personality of leaders and their motivation, about behavioral theories (Lickert, leadership analysis grids, correlation with human development, GLOBE project etc.), contingency theories (models of leadership based on exchange, participation and action), theories on the role of trust, on situational leadership etc. I followed the orientation towards leadership (neocharism, transformational and visionary leadership, positive theories of leadership, analyzes of „servant” and „spiritual” behavior), but also examples of current leaders (Steve Jobs and Mark Zuckerberg). In a changing world, the stakes of leadership are huge. It will be difficult for those who do not understand nature and do not see the irreversible mutations induced by globalization, digitalization, technology dynamics, pandemic, war...