This document discusses emotional intelligence (EI), including definitions from experts like Dr. Travis Bradberry. EI is defined as the ability to identify, assess and control one's own emotions and the emotions of others. It involves four core skills under two competencies: personal competence and social competence. Research shows EI relates to important workplace outcomes. For example, over 75% of Fortune 500 companies use EI training and 90% of top performers have high EI. EI helps with leadership, decision-making, teamwork and conflict resolution.