Phone interview about 30 minutes first, not sure next step yet, want to ask about the interview process. what things I need to prepare. I am not sure about the interview process, I am here to check the interview process. But I got a phone screen interview first

Multiple rounds of 1:1 interviews. HR - background questions Product Manager - details and background questions Product Manger - details and position specific questions Director of Marketing - short interview but specific questions. All rounds have ample time for questions I had about the role.