To be a more effective and successful leader, one needs to work and relate to others and to be able do so, a solid understanding of how their emotions and actions effect the others around them.
Leaders who react from their emotions without filtering them can create mistrust amongst their staff and can seriously jeopardize their working relationships. Reacting with erratic emotions can be detrimental to overall culture, attitudes and positive feelings toward the company and the mission. Good leaders must be self aware and understand how their verbal and non-verbal communication can affect the team. More importantly good leaders need to know how to manage their emotions to create maximum impact.
To be able to build an exceptional team, a culture of performance one has to be able to relate behaviors and challenges of emotional intelligence on workplace performance.