In the work environment, apart from intellectual intelligence, possessing emotional intelligence is crucial due to daily interactions with colleagues and collaborators. This skill gains particular importance in the human resources department of every organization, playing a key role in organizational behavior. There are essential aspects of emotional intelligence that encompass the capacity to understand and regulate one's own and others' emotions, as well as building positive interpersonal connections. These key aspects include self-regulation, self-awareness, motivation, empathy, and social skills. Emotional intelligence can be applied in business through practices such as self-management, communication, relationship management, leadership, conflict resolution, stress management, and more. There are numerous methods for developing emotional intelligence in business, including workshops, training, mentorship, and team-building activities. The paper highlights the significance of emotional intelligence in the role of managers and its impact on their success. To delve deeper into and confirm the discussed topic, a research study was conducted through an interview with a manager from the company Reroot. This further investigates how emotional intelligence is applied in real business contexts and its influence on interpersonal interactions and team success.