first round: one hour case interview, one hour behavioural interview, each part was with a different interviewer (current consultants) after first round, got invited to second round interview and a cocktail reception @ the office, met other candidates and current employees second round: two 30 min behavioural/personality interview with a manager and with a partner

I went through two interviews. The first interview included the behavioral part and case part. The second interview was with a managing director, and the entire interview was about solving a M&A case.