The document discusses the importance of emotional intelligence (EI) for project managers, detailing its definition, historical context, and relevance in workplace success. It highlights that EI contributes significantly to job performance, health, and relationships, and outlines three models of EI: ability, trait, and mixed models. The document also emphasizes developing EI skills, such as self-awareness, self-regulation, social skills, empathy, and motivation, which are essential for effective leadership and management.