This document provides an overview of effective leadership. It discusses definitions of leadership, essential leadership characteristics like social phenomena and power. It examines what we observe in leadership like actions, structures and results. Key drivers of leadership success include personality, proficiencies, persuasion and purpose. The document also outlines reasons people choose to lead, examples of leadership behaviors, aspects that characterize leadership tasks, the process steps of leaders and followers, advantages of hierarchy, interim CEO roles, building trust, and mistakes leaders make in tough times. It concludes with a summary and questions.