"The human central nervous system and brain is designed the same around the world... and there probably is a lot of spontaneous rediscovery in different areas of different ways you can play with the mind," Dan Goleman, renowned psychologist and author of the best-selling book, "Emotional Intelligence," says in our interview. Goleman has helped spread the concept of "emotional intelligence," or "EQ," and its four parts -- self-awareness, self-management, social awareness (empathy) and relationship management (social skills) -- across the globe and explains why it matters a great deal in leadership.