Leadership is one important aspect that determines success or failure of the organization. One of the important skills of a leader is people skills. Emotional Intelligence of the leader is one aspect that determines people skills.

Definition of Emotional Intelligence
EI definition highly developed over the years in various studies. According to John D. Mayer and David Caruso in Ivey Business Journal, the definition of EI can be explained by a combination of these two words. Emotions are feelings that signal information about a relationship, such as happy, sad, angry and scared. Meanwhile, Intelligence is a capacity to do abstract reasoning. Thus, the definition of EI to be the capacity to understand and explain the emotions, and on the other hand, also use emotions to improve thinking.

Models of Emotional Intelligence
Many studies dealing with EI, but the most popular of which there are two, namely the developed David Goleman and Mayer-Salovey, as follows:

EI model introduced by David Goleman’s emphasis on four key competencies in the El, including:
1. Self-awareness, the ability to read emotions in themselves and understand their impact on others.
2. Self-management, the ability to control emotions and adapt to environmental changes.
3. Social awareness, the ability to understand other people’s emotions, and how its impact on the organization.
4. Relationship management, the ability to inspire, influence, developing others, as well as resolving conflicts.

Meanwhile, the Four-Branch model proposed by Mayer-Salovey suggested that there are four aspects of skill related to EI, as shown. The first two aspects of the Perception and Facilitation, also called the `experiential EI` because they have a very close relationship with the feeling. Perception is the capacity to understand other people’s emotions accurately, while Facilitation is the ability to use emotions to improve our thinking.

Meanwhile, the third and fourth aspects of EI skills also called `strategic` EI because both are linked to calculate and plan with emotion mengennai information. The third aspect, Understanding Emotions, is the ability to understand how emotions change, and how these emotions can mengbah behavior. Meanwhile, the last aspect of Emotional Management is the ability to combine logic and emotion for the sake of effective decision making. These four aspects are related to one another, but they also have different functions each.

Role of EI in Organizations
Then how important is the role of EI in the organization? EI is very important because in many people terdapa organization with emotions different. Without good EI skills, then a leader will not be able to resolve conflicts effectively, and can not use the information optimally, particularly in decision making.

According to David McClelland, when examining a large beverage food companies globally, found that division leaders with high EI scored outperform the profit target by 20%, while those who do not have EI underperform about these percentages as well.

High levels of EI, it will yield benefits in the following several aspects:
• make other people comfortable for your presence
• remain calm despite the situation is having a problem or crisis
• foster good relations with various parties in the workplace
• help resolve conflicts that arise in the workplace
• have empathy for the feelings of others
• influence others with effective tactics
• cope with changes in the work environment

In addition to these benefits, can still be called a number of other benefits. Essentially, EI is bringing many benefits to the organization, so expect every leader to have high EI.