The interviewer’s rapid-fire questioning style seemed designed to test how candidates handle pressure. There was not much feedback or two-way exchange during the process, which made it feel a bit like talking to a robot. I understand that this may have been the interviewer’s way of assessing candidates, but personally, I found the experience very tiring and emotionally draining.

Several in depth rounds with many cases to check your working style with data and how you work under pressure. Doable if you prepare well and are focused. Open, genuine discussions are welcome - Prepare examples in which you have worked with data and make clear what the outcome was - use SMART. Check their career page for more tips, especially the Operations page.