Gary V. has built an amazing empire, but few realize that wine was just a thing understood and was passionate about, his vehicle. His success was driven in the from of listening and responding. By connecting with people that cared about the same things he did, his selling points were the relationships he built and the empathy he was able to have. He might sell and talk a lot, but his listening skills are his cornerstone and the cornerstone to his business. Empathy is a VERY important leadership quality.
Read about his take on empathy. Heck, read it twice (or more) and pound it into your brain while you sleep.
Photo from Entrepreneur Magazine