My interviewer had a pleasant professional demeanor. She asked me the following questions.
Tell me about why you chose your field of study.
What was your biggest accomplishment at your previous company? (I recently switched employers)
Tell me about a leadership experience at your current employer.
Tell me about a time you took an initiative.
What would your peers say about your strengths and your weaknesses?
What are your goals?
How does Kellogg fit into these goals?
What else would you like the Admission Committee to know?
Do you have any questions for me?
The total time of the interview was about 45 minutes.