The interviewer brings the conversation in the interviewee’s office. It’s a comfortable place that makes the interviewee feels a sense of security. Also, the audience is able to tell the characteristic of the interviewee by his arrangements in his workplace.
The interviewer asked about the personal information related to the interview to break the ice and build a connection between interviewer and interviewee so that the interviewee is more relaxed. The kind of warm-up questions gives the audience more clues about the interviewee’s background.
The interviewer asked about some private experience (how he infected HIV) in an unbiased and respectful way. This helps him to build his image positively and make the interviewee feel confident to talk more about his personal experiences.
The interviewer has a very thorough understanding of the field that the interviewee is engaged in. He did a lot of research about the interviewee’s background, his career, and the activities that he is engaging in, making the whole conversation fluent and clear, we can follow their logic in a very easy way.