One one hour first round interview, followed by three one hour second round interviews. All questions are behavioral based. It is best to know the "STAR" method - Situation - Task - Action - Result. It is imperative that you use this method as responses are scored based upon this metric.

Aptitude/personality test, then phone interview, then networking session, then final all day interview session. The final day of interviewing included two separate hour long conversations with a panel presentation in the middle.