1st round was two interviews, basic market sizing questions and a little behavioral 2nd round was two interviews, one behavioral and another full case. Case was difficult -- about market entry. Had a decent bit of math. Got feedback after final round. Great people all throughout. Both were with consultants, not recruiters.

First round was hour long with a few introductory questions into two mini cases with two seperate people. Not difficult behaviorals, just understand a case interview structure and be prepared to answer a few interesting questions about yourself.