This study examines the impact of the development of emotional intelligence through education on leadership competences and team dynamics. In today's rapidly changing business world, leaders and team members are expected to have not only technical skills, but also emotional awareness, empathy, self -regulation skills and healthy communication. In this context, it is suggested that emotional intelligence can be systematically developed through formal and non -formal training programs and that this development can increase leadership performance and in -team cooperation. In this study, which was conducted by literature screening, it was examined what kind of outputs of educational -based emotional intelligence development programs gave birth at the individual and organizational level; In particular, leadership styles, conflict management, empathic communication, group trust and belonging were shaped by emotional intelligence. Findings show that emotional intelligence development strengthens the competences of leaders such as effective decision -making, dealing with stress and increasing team motivation. In addition, teams with a high level of emotional intelligence have been found to be more compatible, productive and creative. In line with these findings, it is recommended to spread emotional intelligence -based training programs in organizations.