Teddy Forstmann, chairman of the sports marketing giant core self-evaluation Bottom-line conclusions individuals have about their capabilities, competence, and worth as a person. We might say people like Forstmann are overconfident, but very often we humans sell ourselves short and are less happy and effective than we could be because of it. If we decide we can’t do something, for example, we won’t try, and not doing it only reinforces our self-doubts. This type of personality is