As an interviewer, your duties are to ask questions to people and record their answers. After the interview, you may compile a report to pass along to a supervisor or store the data you collect for other researchers or analysts to utilize. As an interviewer, you need to have a wide range of skills to carry out your responsibilities. First and foremost, you need excellent communication skills. Other qualifications include a high school diploma or GED certificate. Depending on the type of interview job you have, you either conduct participant interviews over the telephone or in person.