What kinds of jobs require people to be confident?

I think confidence is an essential part for all kinds of jobs. There are many types of jobs that require individuals to be more confident because it will help them sell their product or perform other tasks. Jobs like a salesman, for example, cannot sell a product without confidence. It is crucial for a salesman [...]

Confidence is a very essential part for many jobs. There are many kinds of jobs that require people to be confident, like a salesman. A salesman cannot sell his or her product without confidence; he cannot convince his customer. That's why he needs to be confident. I think it's important not only for salesmen, but [...]