This document summarizes several articles from Harvard Business Review on leadership. It discusses Daniel Goleman's concept of emotional intelligence and its five components: self-awareness, self-regulation, motivation, empathy, and social skill. It also summarizes articles on what makes an effective executive according to Peter Drucker, the differences between management and leadership outlined by John Kotter, and adapting to change through leadership described by Ronald Heifetz. Additionally, it discusses the importance of followership, revealing weaknesses as a leader, and developing authentic leadership qualities.