CEO takes the final round and he’s too arrogant. Answers are less likely from PM domain and as per his wishes. Better questions can be asked. Or someone else should take the final round. Otherwise company might have replicas of the CEO only.

5 rounds, 1 introduction, then managerial 1 round, then again managerial 1 round, then 1 Group discussion round, then 1 culture fit round, then 1 HR round, then 1 founders round.