1. They don't believe they have value to offer people. Why would someone listen to me is a common self-belief that will stop many people from building a personal brand. By recognising our achievements and what we know can help us change how we see ourselves. Funnily enough, it's often the people with the most value to offer who often feel like they don't have much to say. However, when in conversation face-to-face they come alive and you see the passion or expertise.