In recent years, a few organizations have experienced rapid changes to globalization and competitiveness. Such organizations should, therefore, hire a new generation of qualified officers to deal with and address the changes and competition. Human Resource Development (HRD), which seeks to organize and improve the tools for fair victory for individuals and organizations, plays a critical role in developing and improving the capacity of the officers. EI is one of the most significant performance indicators for workers. The basis for bonuses, compensation, promotions, employee retirements, and efficiency. From recruitment to resignation, emotional intelligence is closely associated with the company. Therefore, well-managed emotions play a central role in the productivity of employees. Emotional intelligence affects not only the career but also the workplace. Emotionally intelligent work improves the performance of people by encouraging positive relationships, good group performance, and social conditions. This article explores from a theoretical perspective the impact of emotional intelligence on the success of individuals.