Show that you are knowledgeable about the company and its operation.
Interviewers favor an applicant who has made and effort to research their firm.
As an applicant, it will help that you can show the interviewer in what ways you can contribute to the company. Present a positive attitude. Preparation for the interview will undoubtedly give you self-confidence. Don't hesitate to tell the interviewer of your accomplishments and career plans. Have faith in yourself as a person.