Based on MI, the "walk me through your resume" answer basically includes "why IB?" as well in my opinion since you mention the spark, your growing interest, and why you're here today (Again based on the M&I format).
Iwith an alumnus today, and when he asked the "walk me though your resume" question, he said that my answer, while good, was too long (my story is about 2 minutes 30 seconds, in the 2-3 minute range that M&I recommends), and that it shouldn't include why I want to do investment banking, since that was going to be his next question.
Current bankers (and especially those who do a lot of interviews), what are your thoughts on this? Was this alumnus right? He works at a mid tier, but admits that he hasn't conducted too many real interviews. He said that in his opinion my answer would annoy an interviewer since "walk me through your resume" doesn't really ask "why IB?" directly.
Thanks in advance.