Interviews were conducted through my MBA program. Round 1 consisted of two 30 minute interviews, while Round 2 consisted of two 45 minute interviews. All four interviews were primarily behavioral and each ended in one ~10 minute case question about how to approach entering a new market or launching a new offering. All my interviewers were extremely upfront about their perceptions of Amazon's entrepreneurial culture (both positives and negatives) and turnaround from the recruiting team was extremely fast (decisions within 24 hours of final rounds). Overall a very efficient and straightforward experience.