Adam Grant did a study on salespeople and put them on a spectrum of introversion to extroversion. For most people they land right in the middle and end up being a mix of both introvert and extrovert, and most successful salespeople were exactly the...
Dr. Kay Anders Ericsson spent over 30 years studying high-end expertise and discovered that every complex skill is both learned and earned. You can look at any expert and you would find decades of deliberate practice that got them to that level. No...