Uncertainty, nervousness, stress. Successful managers and inspiring leaders always come across as so self-confident that it may seem they feel no nerves or fear during meetings and when making decisions. Often, however, this is not the case. All of us feel fear, we all dislike facing stressful situations and we are all nervous when about to speak in front of others. But some people have found a way to overcome their uncertainties, they do not let them show and do not succumb to them. Here are some ways in which you can learn this skill.