One take on MBTI:
Powerful people do not have good listening skills. They hate to listen. They succeed by getting good at faking it. Here’s how I know. There are sixteen Myers Briggs personality types. Only 4% of people are ENTJs, but almost all Fortune 500 CEOs are ENTJs. Each type has an Achilles’ heel. The ESFP can’t stand being alone. The INTP can’t get their head out of the clouds. The ENTJ can’t listen.Read Penelope Trunk's blog post.