Some interviewers go on and on and on about themselves. Nobody cares. Allow your expertise to show through your thoughtful questions. Some interviewees do the same; nobody cares! The interviewer wants to improve their condition; they want YOU to help solve their problem. Your self-bio is the least of what they need. They will patiently wait for the ego to unfold but what they really want is what you’ve got for them, not who you are to yourself.